Statute treatment: 47 U.S.C. § 203

Ranked leading cases interpreting this statute, drawn from 580 citation events across 308 distinct cases.

580citations total

308distinct interpreting cases

73distinct courts

10citations in last 5y

1944–2026year range

Top 20 leading cases

#1 MCI Communications Corporation and MCI Telecommunications Corporation v. American Telephone and Telegraph Company (1983) ca7 489 own cites 7× in case

#2 Southern New England Telephone Co. v. Global NAPs Inc. (2010) ca2 503 own cites 2× in case

#3 Fax Telecommunicaciones Inc. v. At&t, Michael Gilmartin and Richard Stotts (1998) ca2 146 own cites 3× in case

#4 MCI Communications Corp. v. American Telephone & Telegraph Co. (1978) ilnd 33 own cites 6× in case

#5 Southwestern Bell Corporation v. Federal Communications Commission, and United States of America, United States Telephone Association, Intervenors (1995) cadc 9 own cites 14× in case

#6 Panatronic Usa, a California General Partnership Lemar Textile Co. v. At&t Corporation (2002) ca9 73 own cites 4× in case

#7 Day v. AT & T CORP. (1998) calctapp 138 own cites 3× in case

#8 Tomi White Bryan, Individually and on Behalf of All Others Similarly Situated v. Bellsouth Communications, Incorporated (2004) ca4 45 own cites 4× in case

#9 Telecom International America, Ltd. v. AT & T Corp. (1999) nysd 19 own cites 6× in case

#10 Duggal v. G.E. Capital Communications Services, Inc. (2000) calctapp 32 own cites 4× in case

#11 cluster 709501 (1995) ca3 957 own cites 1× in case

#12 COMSAT Corp. v. Finshipyards S.A.M. (1995) dcd 50 own cites 3× in case

#13 United States v. Beckley (1965) gand 28 own cites 4× in case

#14 In Re Universal Service Fund Telephone Billing Practices Litigation (2003) ksd 47 own cites 3× in case

#15 Ragan v. AT & T CORP. (2005) illappct 27 own cites 4× in case

#16 MCI Telecommunications Corp. v. Best Telephone Co., Inc. (1994) flsd 12 own cites 6× in case

#17 CallerID4u, Inc. v. MCI Communications Services Inc. (2018) ca9 12 own cites 6× in case

#18 MCI Worldcom, Inc. v. Federal Communications Commission (2000) cadc 31 own cites 3× in case

#19 At & T Corp. v. Jmc Telecom, LLC (2006) ca3 66 own cites 2× in case

#20 MCI Telecommunications Corp. v. TCI Mail, Inc. (1991) rid 13 own cites 5× 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.