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69 Pennsylvania opinions name it 19 courts 1985–2025 4 in the last five years
The cases below were cited by Pennsylvania courts in a sentence that names this issue. Sides come from how each citing opinion treated the case (Syfertize flag on that citation), so a case can appear on both: that is where the law is contested. A red or yellow chip is the case's own overall treatment.
| Case | Followed | Cited |
|---|---|---|
Geary v. United States Steel Corp.green2 sentences2009Over 30 years ago, our Court also embraced a common law exception to the at-will doctrine in the form of a claim for wrongful discharge where an employee’s termination contra venes a “clear mandate of public policy.” Geary v. United States Steel Carp., 456 Pa. 171, 185 , 319 A.2d 174, 181 (1974). 2009Over 30 years ago, our Court also embraced a common law exception to the at-will doctrine in the form of a claim for wrongful discharge where an employee’s termination contra venes a “clear mandate of public policy.” Geary v. United States Steel Carp., 456 Pa. 171, 185 , 319 A.2d 174, 181 (1974). | 6 | 9 |
Darlington v. General Electricgreen2 sentences1996See also, Scott, supra (oral promise that her employment would be “permanent” held insufficient to rebut presumption of at-will employment); Marsh v. Boyle, 366 Pa. Super. 1 , 530 A.2d 491 (1987) (employer’s promise that plaintiff would hold position “at least two years” too vague to rebut the at-will presumption); Murphy v. Publicker Industries Inc., 357 Pa. Super. 409 , 516 A.2d 47 (1986) (promise of lifetime employment not definite enough to overcome the at-will presumption); Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986) (employer’s statement to employee that “I want us to retir 1996See also, Scott, supra (oral promise that her employment would be “permanent” held insufficient to rebut presumption of at-will employment); Marsh v. Boyle, 366 Pa. Super. 1 , 530 A.2d 491 (1987) (employer’s promise that plaintiff would hold position “at least two years” too vague to rebut the at-will presumption); Murphy v. Publicker Industries Inc., 357 Pa. Super. 409 , 516 A.2d 47 (1986) (promise of lifetime employment not definite enough to overcome the at-will presumption); Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986) (employer’s statement to employee that “I want us to retir | 5 | 18 |
Scott v. Extracorporeal, Inc.green2 sentences2024(Id. at 13-14 (quoting Scott v. Extracorporeal, Inc., 545 A.2d 334, 336 (Pa. Super. 1988)).) Mann adds that recognizing such claims will “erode the long-standing principles of at-will employment” and that “[a]ny further erosion of the at-will presumption in Pennsylvania should be effected by the legislature, not the courts.” (Id.) Mann also disputes any suggestion by Salsberg that this Court has adopted Comment g to Section 766 of the Restatement and argues that we are under no obligation to adopt Comment g here. 2013Compare Scott v. Extracorporeal, Inc., 376 Pa. Super. 90 , 545 A.2d 334, 342 (Pa. Super. 1988) (finding discharge of company employee acting in alleged self-defense during fight on company premises did not violate public policy, and thus, not an exception to the at-will doctrine) with Cocchi v. Circuit City Stores, 2006 WL 870736 (N.D. | 5 | 9 |
Veno v. Meredithgreen2 sentences1999See Marsh, supra; Veno v. Meredith, 357 Pa.Super. 85 , 515 A.2d 571, 578 (1986), appeal denied, 532 Pa. 665 , 616 A.2d 986 (1992)(“[B]ecause of its vitality, courts insist that to contraetaway the at-will presumption, much clarity is required.”). 1999See Marsh, supra; Veno v. Meredith, 357 Pa.Super. 85 , 515 A.2d 571, 578 (1986), appeal denied, 532 Pa. 665 , 616 A.2d 986 (1992)(“[B]ecause of its vitality, courts insist that to contraetaway the at-will presumption, much clarity is required.”). | 3 | 11 |
Martin v. Capital Cities Media, Inc.green2 sentences1992He only asserts that the employee handbook creates an implied contract. 2 “A handbook is enforceable against an employer if a reasonable person in the employee’s position would interpret its provisions as evidencing the employer’s intent to supplant the at-will rule.” Scott, supra, 376 Pa.Superior Ct. at 97, 545 A.2d at 337 ; accord Martin v. Capital Cities Media, Inc., 354 Pa.Super. 199, 222 , 511 A.2d 830, 841-2 (1986). 1992He only asserts that the employee handbook creates an implied contract. 2 “A handbook is enforceable against an employer if a reasonable person in the employee’s position would interpret its provisions as evidencing the employer’s intent to supplant the at-will rule.” Scott, supra, 376 Pa.Superior Ct. at 97, 545 A.2d at 337 ; accord Martin v. Capital Cities Media, Inc., 354 Pa.Super. 199, 222 , 511 A.2d 830, 841-2 (1986). | 3 | 6 |
Marsh v. Boylegreen2 sentences2004“To ascertain the parties’ intent, an important factor to consider is the presence of additional consideration.” Id. ¶ 7 We find the facts support the jury’s conclusion the parties negotiated and executed a valid contract for employment, for a specific duration and for additional consideration, thereby rebutting the at-will presumption. 1996See also, Scott, supra (oral promise that her employment would be “permanent” held insufficient to rebut presumption of at-will employment); Marsh v. Boyle, 366 Pa. Super. 1 , 530 A.2d 491 (1987) (employer’s promise that plaintiff would hold position “at least two years” too vague to rebut the at-will presumption); Murphy v. Publicker Industries Inc., 357 Pa. Super. 409 , 516 A.2d 47 (1986) (promise of lifetime employment not definite enough to overcome the at-will presumption); Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986) (employer’s statement to employee that “I want us to retir | 2 | 4 |
Rutherfoord v. Presbyterian-University Hospitalgreen2 sentences2019This Court has held that “the clearest manner in which a party can overcome the at-will doctrine is where the employer and the employee have entered into a contract which expresses or implies a definite term of employment and forbids discharge in the absence of just cause “or without first utilizing an internal dispute resolution mechanism.” Rutherfoord v. Presbyterian–University Hospital, 612 A.2d 500, 503 (Pa.Super. 1992) (emphasis added). 1995Case argues that because he is a party to the Agreement, with a specific term, that he is not an at-will employee, relying on Rutherfoord v. Presbyterian University Hospital, 417 Pa.Superior Ct. 316, 321, 612 A.2d 500, 503 (1992), which states: The clearest manner in which a party can overcome the at-will doctrine is where the employer and the employee have entered into a contract which expresses a definite term of employment and forbids discharge in the absence of ‘just cause’ or without first utilizing an internal dispute resolution mechanism. | 2 | 3 |
Scullion v. EMECO Industries, Inc.green2 sentences1994Scullion v. Emeco Industries, Inc., 398 Pa.Superior Ct. 294, 580 A.2d 1356 (1990), appeal denied, 527 Pa. 625 , 592 A.2d 45 (1991). 1994“It is a question of fact whether, in a given case, an employee has given additional consideration sufficient to rebut the at-will presumption.” Id. at 298, 580 A.2d at 1358 . | 2 | 3 |
Braun v. Wal-Mart Stores, Inc.green2 sentences2022See Brief for Appellant at 51; see also Braun, 24 A.3d at 943 (noting that compensation contracts modify an employee’s at-will status if a reasonable person would interpret the provisions of the contract as establishing an employer’s intent to overcome the at-will presumption); Cooper v. Broadspire Services, Inc., 2005 WL 1712390 , at *3 (E.D. 2022See Brief for Appellant at 51; see also Braun, 24 A.3d at 943 (noting that compensation contracts modify an employee’s at-will status if a reasonable person would interpret the provisions of the contract as establishing an employer’s intent to overcome the at-will presumption); Cooper v. Broadspire Services, Inc., 2005 WL 1712390 , at *3 (E.D. | 2 | 2 |
Greene v. Oliver Realty, Inc.green2 sentences1987A jury might reasonably interpret the above cited facts so as to conclude that [the employee] has clearly rebutted the at-will presumption.” Id. 363 Pa.Super. at 556 , 526 A.2d at 1202 . 1987A jury might reasonably interpret the above cited facts so as to conclude that [the employee] has clearly rebutted the at-will presumption.” Id. 363 Pa.Super. at 556 , 526 A.2d at 1202 . | 1 | 8 |
Lucacher v. Kersongreen2 sentences1987Citing Lucacher v. Kerson, 158 Pa.Super. 437 , 45 A.2d 245 (1946), the Darlington court noted that a substantial hardship such as moving one’s family to take a new position would be regarded as sufficient additional consideration to overcome the at-will presumption. 1987Citing Lucacher v. Kerson, 158 Pa.Super. 437 , 45 A.2d 245 (1946), the Darlington court noted that a substantial hardship such as moving one’s family to take a new position would be regarded as sufficient additional consideration to overcome the at-will presumption. | 1 | 4 |
Rapagnani v. Judas Co.green2 sentences2025Rapagnani v. Judas Co., 736 A.2d 666, 671 (Pa.Super. 1999) (citation omitted). 2019Rapagnani, 736 A.2d at 671 (citing Scott, 545 A.2d at 340 ). | 1 | 2 |
Luteran v. Loral Fairchild Corp.green2 sentences2005In order to rebut this presumption, plaintiff must establish one of the following: “(1) an agreement for a definite duration; (2) an agreement specifying that the employee will be discharged for just cause only; (3) sufficient additional consideration to establish a contract; or (4) an applicable recognized public policy exception to the at-will doctrine.” Luteran , 455 Pa. Super, at 370, 688 A.2d at 214 . 1999Luteran, 688 A.2d at 214 (citations omitted). | 1 | 2 |
Banas v. Matthews International Corp.green2 sentences1986Darlington v. General Electric, supra. This court has recently reaffirmed the at-will rule in the en banc case of Banas v. Matthews International Corporation, 348 Pa.Super. 464, 483-86 , 502 A.2d 637, 647-48 (1985) (Judges Rowley, Beck and Johnson dissenting.) There, the employee was discharged after he used company property for personal use. 1986Darlington v. General Electric, supra. This court has recently reaffirmed the at-will rule in the en banc case of Banas v. Matthews International Corporation, 348 Pa.Super. 464, 483-86 , 502 A.2d 637, 647-48 (1985) (Judges Rowley, Beck and Johnson dissenting.) There, the employee was discharged after he used company property for personal use. | 1 | 2 |
Robertson v. Atlantic Richfield Petroleum Products Co.green2 sentences1996Compare Robertson v. Atlantic Richfield Petroleum Products Co., 371 Pa. Super. 49 , 537 A.2d 814 (1987) (written offer to reassign employee, rather than discharge him, if evaluation showed unsatisfactory performance, held sufficient to obligate employer to reassign employee for reasonable period before discharging). (b) Whether the court erred in concluding the issuance of the October 1981 handbook did not modify plaintiff’s at-will employment status to one in which he could not be discharged without just cause Plaintiff asserts that even if the 1977 handbook did not create an enforceable obli 1996Compare Robertson v. Atlantic Richfield Petroleum Products Co., 371 Pa. Super. 49 , 537 A.2d 814 (1987) (written offer to reassign employee, rather than discharge him, if evaluation showed unsatisfactory performance, held sufficient to obligate employer to reassign employee for reasonable period before discharging). (b) Whether the court erred in concluding the issuance of the October 1981 handbook did not modify plaintiff’s at-will employment status to one in which he could not be discharged without just cause Plaintiff asserts that even if the 1977 handbook did not create an enforceable obli | 1 | 2 |
Rettinger v. American Can Co.green2 sentences1995Rettinger v. American Can Company, 574 F. Supp. 306 (M.D. 1991See also, Rettinger v. American Can Company, 574 F. Supp. 306 (M.D. | 1 | 2 |
DiBonaventura v. Consolidated Rail Corp.green2 sentences1992Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986); DiBonaventura v. Conrail, 372 Pa. Super. 420 , 539 A.2d 865 (1988). 1992Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986); DiBonaventura v. Conrail, 372 Pa. Super. 420 , 539 A.2d 865 (1988). | 1 | 2 |
Permenter v. Crown Cork & Seal Co., Inc.green1 sentence2025Id.; see also Permenter, 38 F.Supp. 2d at 379 . | 1 | 1 |
| William N. Clark v. Modern Group Ltd. John F. Smithgreen | 1 | 1 |
Riggio v. Burnsgreen1 sentence2020See also, e.g., Clark v. Modern Group Ltd., 9 F.3d 321, 323 (3d Cir. 1993) (rejecting the employee’s claim that “Pennsylvania’s public policy exception to the at-will doctrine extends to cases in which an employee ‘reasonably believes’ that his employer has requested him to perform an unlawful act and is discharged for objecting to the proposal be believes is unlawful”);7 Mikhail, 63 A.3d at 321 (“[W]e cannot conclude that [the appellee’s] decision to terminate [the appellant] based upon differences in judgment violates the public policy of this Commonwealth.”); Riggio v. Burns, 711 A.2d 497, | 1 | 1 |
Mikhail v. Pennsylvania Organization for Women in Early Recoverygreen1 sentence2020See also, e.g., Clark v. Modern Group Ltd., 9 F.3d 321, 323 (3d Cir. 1993) (rejecting the employee’s claim that “Pennsylvania’s public policy exception to the at-will doctrine extends to cases in which an employee ‘reasonably believes’ that his employer has requested him to perform an unlawful act and is discharged for objecting to the proposal be believes is unlawful”);7 Mikhail, 63 A.3d at 321 (“[W]e cannot conclude that [the appellee’s] decision to terminate [the appellant] based upon differences in judgment violates the public policy of this Commonwealth.”); Riggio v. Burns, 711 A.2d 497, | 1 | 1 |
| Carlson, David v. Arnot-Ogden Memorial Hospitalgreen | 1 | 1 |
| Janis v. AMP, INC.green | 1 | 1 |
| Anderson v. Haverford Collegegreen | 1 | 1 |
| Kise v. Department of Military & Veterans Affairsgreen | 1 | 1 |
| Cashdollar v. Mercy Hospitalgreen | 1 | 1 |
| Jacques v. Akzo International Salt, Inc.green | 1 | 1 |
| Krajsa v. Keypunch, Inc.green | 1 | 1 |
| Clare R. Bruffett v. Warner Communications, Incgreen | 1 | 1 |
| Brozovich v. Dugogreen | 1 | 1 |
| Engstrom v. John Nuveen & Co., Inc.green | 1 | 1 |
| Gorwara v. AEL Industries, Inc.green | 1 | 1 |
| Cummings v. Kelling Nut Co.green | 1 | 1 |
| Ramsbottom v. First Pennsylvania Bank, N.A.green | 1 | 1 |
| Rogers v. International Business MacHines Corp.green | 1 | 1 |
| Maloney v. Madrid Motor Corp.green | 1 | 1 |
| O'NEILL v. ARA Services, Inc.green | 1 | 1 |
| Manley v. Manleygreen | 1 | 1 |
| Rossi v. Pennsylvania State Universitygreen | 1 | 1 |
| Lightcap v. Keaggygreen | 1 | 1 |
| Case | Negative | Cited |
|---|---|---|
| No negative-treatment citations attached to this issue in Pennsylvania. Read the followed side critically anyway. | ||
| Case | Cited | Years |
|---|---|---|
Murphy v. Publicker Industries, Inc.
green
2 sentences1996See also, Scott, supra (oral promise that her employment would be “permanent” held insufficient to rebut presumption of at-will employment); Marsh v. Boyle, 366 Pa. Super. 1 , 530 A.2d 491 (1987) (employer’s promise that plaintiff would hold position “at least two years” too vague to rebut the at-will presumption); Murphy v. Publicker Industries Inc., 357 Pa. Super. 409 , 516 A.2d 47 (1986) (promise of lifetime employment not definite enough to overcome the at-will presumption); Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986) (employer’s statement to employee that “I want us to retir 1996See also, Scott, supra (oral promise that her employment would be “permanent” held insufficient to rebut presumption of at-will employment); Marsh v. Boyle, 366 Pa. Super. 1 , 530 A.2d 491 (1987) (employer’s promise that plaintiff would hold position “at least two years” too vague to rebut the at-will presumption); Murphy v. Publicker Industries Inc., 357 Pa. Super. 409 , 516 A.2d 47 (1986) (promise of lifetime employment not definite enough to overcome the at-will presumption); Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986) (employer’s statement to employee that “I want us to retir | 6 | 1987–1996 |
Paul v. Lankenau Hospital
green
2 sentences1990The at-will doctrine was most recently reaffirmed by our Supreme Court in Paul v. Lankenau Hospital, 524 Pa. 90 , 569 A.2d 346 (1990), wherein the Court refused to create an equitable estoppel exception to at-will employment. 1990The at-will doctrine was most recently reaffirmed by our Supreme Court in Paul v. Lankenau Hospital, 524 Pa. 90 , 569 A.2d 346 (1990), wherein the Court refused to create an equitable estoppel exception to at-will employment. | 3 | 1990–2018 |
Ross v. Walker
green
2 sentences1997Beginning with Henry v. Pittsburg & Lake Erie Railroad Co., 139 Pa. 289 , 21 A. 157 (1891) and as recently reaffirmed in Stumpp v. Stroudsburg Municipal Authority, 540 Pa. 391 , 658 A.2d 333 (1995), the at-will doctrine provides that unless a written contract exists between the parties, an employer may terminate an employee at any time for any reason or for no reason. 1997Beginning with Henry v. Pittsburg & Lake Erie Railroad Co., 139 Pa. 289 , 21 A. 157 (1891) and as recently reaffirmed in Stumpp v. Stroudsburg Municipal Authority, 540 Pa. 391 , 658 A.2d 333 (1995), the at-will doctrine provides that unless a written contract exists between the parties, an employer may terminate an employee at any time for any reason or for no reason. | 3 | 1997–2009 |
Betts v. Stroehmann Bros.
green
2 sentences1991Recent cases holding that such promises do not overcome the at-will presumption include: Ross v. Montour Railroad Co., 357 Pa. Super. 376 , 516 A.2d 29 (1986) (expectation of ‘lifelong’ employment alone not sufficient to overcome the at-will rule); Murphy v. Publicker Industries Inc., 357 Pa. Super. 409 , 516 A.2d 47 (1986) (promise of lifetime employment is not in itself definite enough to overcome the at-will presumption); Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986) (employer’s statements to employee, including T want to retire together,’ held too broad and vague to overcome th 1991Recent cases holding that such promises do not overcome the at-will presumption include: Ross v. Montour Railroad Co., 357 Pa. Super. 376 , 516 A.2d 29 (1986) (expectation of ‘lifelong’ employment alone not sufficient to overcome the at-will rule); Murphy v. Publicker Industries Inc., 357 Pa. Super. 409 , 516 A.2d 47 (1986) (promise of lifetime employment is not in itself definite enough to overcome the at-will presumption); Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986) (employer’s statements to employee, including T want to retire together,’ held too broad and vague to overcome th | 3 | 1988–1991 |
Ross v. Montour Railroad
green
2 sentences1991Recent cases holding that such promises do not overcome the at-will presumption include: Ross v. Montour Railroad Co., 357 Pa. Super. 376 , 516 A.2d 29 (1986) (expectation of ‘lifelong’ employment alone not sufficient to overcome the at-will rule); Murphy v. Publicker Industries Inc., 357 Pa. Super. 409 , 516 A.2d 47 (1986) (promise of lifetime employment is not in itself definite enough to overcome the at-will presumption); Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986) (employer’s statements to employee, including T want to retire together,’ held too broad and vague to overcome th 1991Recent cases holding that such promises do not overcome the at-will presumption include: Ross v. Montour Railroad Co., 357 Pa. Super. 376 , 516 A.2d 29 (1986) (expectation of ‘lifelong’ employment alone not sufficient to overcome the at-will rule); Murphy v. Publicker Industries Inc., 357 Pa. Super. 409 , 516 A.2d 47 (1986) (promise of lifetime employment is not in itself definite enough to overcome the at-will presumption); Veno v. Meredith, 357 Pa. Super. 85 , 515 A.2d 571 (1986) (employer’s statements to employee, including T want to retire together,’ held too broad and vague to overcome th | 3 | 1988–1991 |
Henry v. Pittsb. Etc. R.
green
2 sentences1997Beginning with Henry v. Pittsburg & Lake Erie Railroad Co., 139 Pa. 289 , 21 A. 157 (1891) and as recently reaffirmed in Stumpp v. Stroudsburg Municipal Authority, 540 Pa. 391 , 658 A.2d 333 (1995), the at-will doctrine provides that unless a written contract exists between the parties, an employer may terminate an employee at any time for any reason or for no reason. 1997Beginning with Henry v. Pittsburg & Lake Erie Railroad Co., 139 Pa. 289 , 21 A. 157 (1891) and as recently reaffirmed in Stumpp v. Stroudsburg Municipal Authority, 540 Pa. 391 , 658 A.2d 333 (1995), the at-will doctrine provides that unless a written contract exists between the parties, an employer may terminate an employee at any time for any reason or for no reason. | 2 | 1997–1999 |
Stumpp v. Stroudsburg Municipal Authority
green
2 sentences1997Beginning with Henry v. Pittsburg & Lake Erie Railroad Co., 139 Pa. 289 , 21 A. 157 (1891) and as recently reaffirmed in Stumpp v. Stroudsburg Municipal Authority, 540 Pa. 391 , 658 A.2d 333 (1995), the at-will doctrine provides that unless a written contract exists between the parties, an employer may terminate an employee at any time for any reason or for no reason. 1997Beginning with Henry v. Pittsburg & Lake Erie Railroad Co., 139 Pa. 289 , 21 A. 157 (1891) and as recently reaffirmed in Stumpp v. Stroudsburg Municipal Authority, 540 Pa. 391 , 658 A.2d 333 (1995), the at-will doctrine provides that unless a written contract exists between the parties, an employer may terminate an employee at any time for any reason or for no reason. | 2 | 1996–1997 |
Petermann v. International Brotherhood of Teamsters, Local 396
green
2 sentences1989Erosion of the at-will doctrine began in 1959 when the California courts opened the door to an action for wrongful discharge in Peterman v. International Brotherhood of Teamsters, 174 Cal. App. 2d 184 (1959). 1987Erosion of the at-will doctrine began in 1959 when the California courts opened the door to an action for wrongful discharge in Petermann v. International Brotherhood of Teamsters, 174 Cal. App. 2d 184 (1959). | 2 | 1987–1989 |
Hogle v. DeLong Hook & Eye Co.
neutral
2 sentences1986The at-will rule had become so firmly entrenched by 1915 that our Supreme Court quoted with approval Professor Labbat’s work on Master and Servant relations. “‘The preponderance of American authority in favor of the doctrine that an indefinite hiring is presumptively a hiring at will is so great that it is now scarcely open to criticism.’ ” Hogle v. DeLong Hook & Eye Co., 248 Pa. 471 , 94 A. 190 (1915) (quoting 1 C. 1986The at-will rule had become so firmly entrenched by 1915 that our Supreme Court quoted with approval Professor Labbat’s work on Master and Servant relations. “‘The preponderance of American authority in favor of the doctrine that an indefinite hiring is presumptively a hiring at will is so great that it is now scarcely open to criticism.’ ” Hogle v. DeLong Hook & Eye Co., 248 Pa. 471 , 94 A. 190 (1915) (quoting 1 C. | 2 | 1986–1988 |
Greco v. Myers Coach Lines, Inc.
green
1 sentence2024Under the final public policy exception to the at-will doctrine, a right of action exists if the employee’s termination is “against public health, safety, morals, or welfare” such that “that there is a virtual unanimity of opinion in regard to it.” Greco, 199 A.3d at 436 . | 1 | 2024–2024 |
| McGough v. Broadwing Communications, Inc. green | 1 | 2016–2016 |
| Bauer v. Pottsville Area Emergency Medical Services, Inc. green | 1 | 2015–2015 |
| Weaver v. Harpster green | 1 | 2015–2015 |
| Shick v. Shirey green | 1 | 2015–2015 |
| Caucci v. Prison Health Services, Inc. green | 1 | 2011–2011 |
| DELAWARE VALLEY MEDICAL v. Niehaus green | 1 | 1996–1996 |
| Toussaint v. Blue Cross & Blue Shield green | 1 | 1996–1996 |
| Kroen v. Bedway Security Agency, Inc. green | 1 | 1996–1996 |
| Niehaus v. Delaware Valley Medical Center green | 1 | 1996–1996 |
| Hunter v. Port Authority of Allegheny County green | 1 | 1995–1995 |
| Clay v. Advanced Computer Applications, Inc. green | 1 | 1989–1989 |
| Clay v. Advanced Computer Applications, Inc. green | 1 | 1988–1988 |
| Moorhouse v. Boeing Co. green | 1 | 1988–1988 |
| Green v. Medford Knitwear Mills, Inc. green | 1 | 1988–1988 |
| Anthony v. Jersey Central Power & Light Co. green | 1 | 1986–1986 |
| Woolley v. Hoffmann-La Roche, Inc. green | 1 | 1986–1986 |
| Phillips v. Babcock & Wilcox green | 1 | 1986–1986 |
| Yaindl v. Ingersoll-Rand Co. Standard Pump-Aldrich Division green | 1 | 1986–1986 |
| Gram v. Liberty Mutual Insurance green | 1 | 1985–1985 |
Counted by distinct opinions that both name this issue and are annotated to the section; sections every opinion cites regardless of issue are not filtered here, so read the counts against the total above.
Opinions by the citing court's state. A doctrine retained in one state and abandoned in another shows up here as a year span that stalls.