Statute treatment: 35 U.S.C. § 101

Ranked leading cases interpreting this statute, drawn from 6,099 citation events across 2,594 distinct cases.

6,099citations total

2,594distinct interpreting cases

107distinct courts

1,916citations in last 5y

1949–2026year range

Top 20 leading cases

#1 In Re Kuriappan P. Alappat, Edward E. Averill and James G. Larsen (1994) cafc 101 own cites 40× in case

#2 Kewanee Oil Co. v. Bicron Corp. (1974) scotus 560 own cites 11× in case

#3 CLS Bank International v. Alice Corp. Pty. Ltd. (2013) cafc 121 own cites 18× in case

#4 Versata Development Group, Inc. v. SAP America, Inc. (2015) cafc 106 own cites 16× in case

#5 Ddr Holdings, LLC v. hotels.com, L.P. (2014) cafc 346 own cites 10× in case

#6 J. E. M. Ag Supply, Inc. v. Pioneer Hi-Bred International, Inc. (2001) scotus 250 own cites 11× in case

#7 Credit Acceptance Corp. v. Westlake Services (2017) cafc 92 own cites 16× in case

#8 Accenture Global Services v. Guidewire Software, Inc. (2013) cafc 175 own cites 12× in case

#9 Application of Charles D. Prater and James Wei (1969) ccpa 100 own cites 15× in case

#10 In Re Bilski (2008) cafc 198 own cites 11× in case

#11 BASCOM Global Internet Services, Inc. v. AT&T Mobility LLC (2016) cafc 408 own cites 8× in case

#12 Intellectual Ventures I LLC v. Symantec Corp. (2016) cafc 189 own cites 10× in case

#13 Ultramercial, Inc. v. Hulu, LLC (2014) cafc 343 own cites 8× in case

#14 Core Wireless Licensing S.A.R.L. v. LG Electronics, Inc. (2018) cafc 162 own cites 9× in case

#15 Berkheimer v. Hp Inc. (2018) cafc 490 own cites 5× in case

#16 CLS Bank International v. Alice Corporation Pty. Ltd. (2012) cafc 18 own cites 22× in case

#17 Smart Systems Innovations, LLC v. Chicago Transit Authority (2017) cafc 77 own cites 10× in case

#18 Genetic Technologies Limited v. Merial L.L.C. (2016) cafc 171 own cites 6× in case

#19 In Re Rex D. Schrader and Eugene D. Klingaman (1994) cafc 27 own cites 14× in case

#20 In re Bergy (1979) ccpa 49 own cites 10× in case

Ranking method: leading_score = ln(1 + own_citation_count) × √(mentions_in_case) × flag_factor, where flag_factor = 1.0 green · 0.6 unknown · 0.5 neutral · 0.4 yellow · 0.3 procedural · 0 red. Red-flagged cases excluded — their interpretation has been undermined and shouldn't lead the list. Top 20 returned per statute. Open any case for full G Cite, trajectory, and per-circuit treatment.