Court of Appeals for the First Circuit
All decisions from this court →
Most-cited decisions
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United States v. Zannino, 895 F.2d 1 (1st Cir. 1990)cited by 2,763
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Ocasio-Hernandez v. Fortuno-Burset, 640 F.3d 1 (1st Cir. 2011)cited by 1,888
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Mesnick v. Gen. Elec. Co., 950 F.2d 816 (1st Cir. 1991)cited by 1,873
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Medina-Munoz v. R.J. Reynolds Tobacco Co., 896 F.2d 5 (1st Cir. 1990)cited by 1,772
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Milissa Garside v. Osco Drug, Inc., 895 F.2d 46 (1st Cir. 1990)cited by 1,378
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Victor J. Irlanda Ortiz v. Sec'y of Health & Human Servs., 955 F.2d 765 (1st Cir. 1991)cited by 1,369
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Rodriguez v. Sec'y of Health & Human Servs., 647 F.2d 218 (1st Cir. 1981)cited by 1,312
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Hung NGUYEN v. Chater, 172 F.3d 31 (1st Cir. 1999)cited by 1,285
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United States v. Valencia-Copete, 792 F.2d 4 (1st Cir. 1986)cited by 1,241
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Watterson v. Page, 987 F.2d 1 (1st Cir. 1993)cited by 1,198
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McDonald v. Hall, 610 F.2d 16 (1st Cir. 1979)cited by 1,197
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Park Motor Mart, Inc. v. Ford Motor Co., 616 F.2d 603 (1st Cir. 1980)cited by 1,049
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Jones v. Town of East Haven, 691 F.3d 72 (1st Cir. 2012)cited by 961
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Seavey v. Soc. Sec., 276 F.3d 1 (1st Cir. 2001)cited by 941
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Gerald Griggs-Ryan v. Beulah Smith, Gerald Griggs-Ryan v. Richard Connelly, 904 F.2d 112 (1st Cir. 1990)cited by 924
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Nadeau v. Raymond A. Helgemoe,, N.H. State Prison, 581 F.2d 275 (1st Cir. 1978)cited by 922
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Manso-Pizarro v. Sec'y of Health & Human Servs., 76 F.3d 15 (1st Cir. 1996)cited by 902
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Hahn v. Sargent, 523 F.2d 461 (1st Cir. 1975)cited by 891
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Sec. & Exch. Comm'n v. First Jersey Sec., Inc., 101 F.3d 1450 (1st Cir. 1996)cited by 881
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Maldonado-Denis v. Castillo-Rodriguez, 23 F.3d 576 (1st Cir. 1994)cited by 878
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Leblanc v. Great Am. Ins. Co., 6 F.3d 836 (1st Cir. 1993)cited by 863
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Groman v. Twp. Of Manalapan, 47 F.3d 628 (1st Cir. 1995)cited by 861
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Shaw v. Digital Equip. Corp., 82 F.3d 1194 (1st Cir. 1996)cited by 857
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Santiago-Ramos v. Centennial P.R. Wireless Corp., 217 F.3d 46 (1st Cir. 2000)cited by 845
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Haley v. City of Boston, 657 F.3d 39 (1st Cir. 2011)cited by 827
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Nicasio RODRIGUEZ PAGAN v. Sec'y of Health & Human Servs., 819 F.2d 1 (1st Cir. 1987)cited by 793
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Keating v. Sec'y of Health & Human Servs., 848 F.2d 271 (1st Cir. 1988)cited by 788
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Paterson-Leitch Co. v. Mass. Mun. Wholesale Elec. Co., 840 F.2d 985 (1st Cir. 1988)cited by 782
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Thomasina Mack v. The Great Atl. & Pac. Tea Co., 871 F.2d 179 (1st Cir. 1989)cited by 767
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Goodermote v. Sec'y of Health & Human Servs., 690 F.2d 5 (1st Cir. 1982)cited by 765
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Annabelle Lipsett v. Univ. of Puerto Rico, 864 F.2d 881 (1st Cir. 1988)cited by 752
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Gooley v. Mobil Oil Corp., 851 F.2d 513 (1st Cir. 1988)cited by 745
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Loeb v. Textron, Inc., 600 F.2d 1003 (1st Cir. 1979)cited by 736
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Schatz v. Republican State Leadership Comm., 669 F.3d 50 (1st Cir. 2012)cited by 727
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Grasta v. First Union Sec., Inc., 358 F.3d 840 (1st Cir. 2004)cited by 723
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Correa-Martinez v. Arrillaga-Belendez, 903 F.2d 49 (1st Cir. 1990)cited by 707
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Alan Aulson Et Ux. Maureen Aulson v. Blanchard, 83 F.3d 1 (1st Cir. 1996)cited by 700
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Calero-Cerezo v. U.S. Dep of Justice, 355 F.3d 6 (1st Cir. 2004)cited by 690
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United States v. Sepulveda, 15 F.3d 1161 (1st Cir. 1993)cited by 671
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O'COnnOr v. Steeves, 994 F.2d 905 (1st Cir. 1993)cited by 658
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14 soc.sec.rep.ser. 301, unempl.ins.rep. Cch 16,883 Ernest S. Avery v. Sec'y of Health & Human Servs., 797 F.2d 19 (1st Cir. 1986)cited by 634
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The Dartmouth Review v. Dartmouth Coll., 889 F.2d 13 (1st Cir. 1989)cited by 633
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Murphy v. Comm'r of IRS, 469 F.3d 27 (1st Cir. 2006)cited by 613
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Mass. Sch. of Law at Andover, Inc. v. Am. Bar Ass'n, 142 F.3d 26 (1st Cir. 1998)cited by 608
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Borges ex rel. SMBW v. Serrano-Isern, 605 F.3d 1 (1st Cir. 2010)cited by 596
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McCarthy v. Northwest Airlines, Inc., 56 F.3d 313 (1st Cir. 1995)cited by 586
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Peake v. The First Nat'l Bank & Trust Co. of Marquette, 717 F.2d 1016 (1st Cir. 1983)cited by 585
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Rodriguez-Reyes v. Molina-Rodriguez, 711 F.3d 49 (1st Cir. 2013)cited by 582
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Ticketmaster-N.Y., Inc. v. Alioto, 26 F.3d 201 (1st Cir. 1994)cited by 577
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Hodgens v. Gen. Dynamics Corp., 144 F.3d 151 (1st Cir. 1998)cited by 572
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United States v. Vega, 678 F.2d 376 (1st Cir. 1982)cited by 570
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Sawtelle v. Farrell, 70 F.3d 1381 (1st Cir. 1995)cited by 570
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Wynne v. Tufts Univ. Sch. of Med., 976 F.2d 791 (1st Cir. 1992)cited by 557
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Maldonado v. Fontanes, 568 F.3d 263 (1st Cir. 2009)cited by 547
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Anant Kumar Tripati v. First Nat'l Bank & Trust, 821 F.2d 1368 (1st Cir. 1987)cited by 542
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Valentin-De-Jesus v. United Healthcare, 254 F.3d 358 (1st Cir. 2001)cited by 534
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Alt. Energy, Inc. v. St. Paul Fire & Marine Ins., 267 F.3d 30 (1st Cir. 2001)cited by 527
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James L. McCoy Adm'r of the Elec. Workers Trust Funds, Etc. v. Mass. Inst. of Tech., 950 F.2d 13 (1st Cir. 1991)cited by 526
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Beddall v. State St. Bank & Trust Co., 137 F.3d 12 (1st Cir. 1998)cited by 505
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Gagliardi v. Sullivan, 513 F.3d 301 (1st Cir. 2008)cited by 505
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Gutierrez-Rodriguez v. Desiderio Cartagena & Domingo Alvarez, Carlos A, 882 F.2d 553 (1st Cir. 1989)cited by 504
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Glassman v. Computervision Corp., 90 F.3d 617 (1st Cir. 1996)cited by 502
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Evangelista v. Sec'y of Health & Human Servs., 826 F.2d 136 (1st Cir. 1987)cited by 491
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Scott v. Schweiker, 702 F.2d 13 (1st Cir. 1983)cited by 490
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Smith v. First Union Nat'l Bank, 202 F.3d 234 (1st Cir. 2000)cited by 486
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Sec. & Exch. Comm'n v. Tambone, 597 F.3d 436 (1st Cir. 2010)cited by 475
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Suarez v. Pueblo Int'l, Inc., 229 F.3d 49 (1st Cir. 2000)cited by 473
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Rodi v. Southern New England Sch. of Law, 389 F.3d 5 (1st Cir. 2004)cited by 473
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Boit v. Gar-Tec Prods., Inc., 967 F.2d 671 (1st Cir. 1992)cited by 472
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Frustaglia v. Sec'y of Health & Human Servs., 829 F.2d 192 (1st Cir. 1987)cited by 466
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Centro Medico Del Turabo, Inc. v. Feliciano De Melecio, 406 F.3d 1 (1st Cir. 2005)cited by 463
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Sanchez v. Esso Standard Oil Co., 572 F.3d 1 (1st Cir. 2009)cited by 460
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Morris v. Gov't Dev. Bank, 27 F.3d 746 (1st Cir. 1994)cited by 457
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Rodriguez-Bruno v. Doral Mortg., 57 F.3d 1168 (1st Cir. 1995)cited by 455
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Nat'l Amusements, Inc. v. Town of Dedham, 43 F.3d 731 (1st Cir. 1995)cited by 454
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Nat'l Labor Relations Bd. v. Wright Line, 662 F.2d 899 (1st Cir. 1981)cited by 451
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Oliver v. Digital Equip. Corp., 846 F.2d 103 (1st Cir. 1988)cited by 451
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Rogan v. Menino, 175 F.3d 75 (1st Cir. 1999)cited by 451
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Grendel's Den, Inc. v. John P, 749 F.2d 945 (1st Cir. 1984)cited by 450
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Palmer v. Champion Mortg., 465 F.3d 24 (1st Cir. 2006)cited by 450
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Trans-Spec Truck Serv., Inc. v. Caterpillar Inc., 524 F.3d 315 (1st Cir. 2008)cited by 449
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Bankr. L. Rep. P 71,787 in Re John E. Tully, Debtor. Henry J. Boroff v. Tully, 818 F.2d 106 (1st Cir. 1987)cited by 447
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Ahmed v. Rosenblatt, 118 F.3d 886 (1st Cir. 1997)cited by 445
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Gaudreault v. Municipality of Salem, Mass., 923 F.2d 203 (1st Cir. 1990)cited by 444
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Murphy v. United States, 45 F.3d 520 (1st Cir. 1995)cited by 442
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Foster-Miller, Inc. v. Babcock & Wilcox Canada, 46 F.3d 138 (1st Cir. 1995)cited by 439
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United States v. Brandon, 17 F.3d 409 (1st Cir. 1994)cited by 436
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Carmona v. Toledo, 215 F.3d 124 (1st Cir. 2000)cited by 436
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Morales-Cruz v. Univ. of Puerto Rico, 676 F.3d 220 (1st Cir. 2012)cited by 435
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Aversa v. United States, 99 F.3d 1200 (1st Cir. 1996)cited by 435
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Iverson v. City of Boston, 452 F.3d 94 (1st Cir. 2006)cited by 433
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Greebel v. FTP Software, Inc., 194 F.3d 185 (1st Cir. 1999)cited by 430
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United States v. Duarte, 246 F.3d 56 (1st Cir. 2001)cited by 429
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DeNOVELLIS v. Shalala, 124 F.3d 298 (1st Cir. 1997)cited by 429
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Wilfredo Martinez v. Colon, 54 F.3d 980 (1st Cir. 1995)cited by 427
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Daynard v. Ness, Motley, Loadholt, 290 F.3d 42 (1st Cir. 2002)cited by 426
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United States v. Swiss Am. Bank, Ltd., 274 F.3d 610 (1st Cir. 2001)cited by 426
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Noviello v. City of Boston, 398 F.3d 76 (1st Cir. 2005)cited by 422
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Ross-Simons of Warwick, Inc. v. Baccarat, Inc., 102 F.3d 12 (1st Cir. 1996)cited by 412
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United States v. Diaz-Villafane, 874 F.2d 43 (1st Cir. 1989)cited by 349
Recent decisions
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Bean Me. Lobster, Inc. v. Monterey Bay Aquarium Found., No. 25-01206 (1st Cir. Oct. 9, 2026)
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Warner v. Amgen Inc., No. 25-1268 (1st Cir. Oct. 9, 2026)
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US v. Pastrana-Roman, No. 25-01178 (1st Cir. Oct. 9, 2026)
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Warner v. Amgen Inc., No. 25-01268 (1st Cir. Oct. 9, 2026)
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Bean Me. Lobster, Inc. v. Monterey Bay Aquarium Found., No. 25-01772 (1st Cir. Oct. 9, 2026)
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United States v. Pastrana-Roman, No. 25-1178 (1st Cir. Oct. 9, 2026)
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Bean Me. Lobster, Inc. v. Monterey Bay Aquarium Found., No. 25-1772 (1st Cir. Oct. 9, 2026)
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United States v. Monteiro, No. 24-2020 (1st Cir. Oct. 8, 2026)
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US v. Monteiro, No. 24-02020 (1st Cir. Oct. 8, 2026)
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Direct Action for Rights & Equality v. FCC, No. 24-01814 (1st Cir. Oct. 6, 2026)
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Securus Techs., LLC v. FCC, No. 24-01927 (1st Cir. Oct. 6, 2026)
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Pay Tel Commc'ns, Inc. v. FCC, No. 24-01969 (1st Cir. Oct. 6, 2026)
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Indiana v. FCC, No. 24-02013 (1st Cir. Oct. 6, 2026)
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Louisiana v. FCC, No. 24-02061 (1st Cir. Oct. 6, 2026)
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Pa. Prison Soc'y v. FCC, No. 24-01886 (1st Cir. Oct. 6, 2026)
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Pa. Prison Soc'y v. FCC, No. 24-01861 (1st Cir. Oct. 6, 2026)
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Securus Techs., LLC v. FCC, No. 24-01860 (1st Cir. Oct. 6, 2026)
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Direct Action for Rights & Equality v. FCC, No. 24-01884 (1st Cir. Oct. 6, 2026)
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In re MCP 191, No. 24-08028 (1st Cir. Oct. 6, 2026)
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Louisiana v. FCC, No. 24-2061 (1st Cir. Oct. 6, 2026)