The docket

Patent litigations.

6,606 cases tracked. Click any row for full case detail; use the buckets below to slice by patent, plaintiff, or defendant. Manage cases (upload CSV, edit, delete) in Admin.

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Patent litigation filed per year

1986: 2 cases'861988: 1 case1990: 1 case'901992: 1 case1993: 1 case'941996: 3 cases1997: 2 cases1998: 3 cases'981999: 3 cases2000: 3 cases2001: 5 cases'022003: 10 cases2004: 4 cases2005: 13 cases2006: 15 cases'062007: 17 cases2008: 20 cases2009: 12 cases2010: 39 cases'102011: 36 cases2012: 68 cases2013: 110 cases2014: 95 cases'142015: 107 cases2016: 103 cases2017: 163 cases2018: 171 cases'182019: 198 cases2020: 226 cases2021: 254 cases2022: 358 cases'222023: 321 cases2024: 548 cases2025: 758 cases7582026: 333 cases'26
6,606 tracked cases by filing year.

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By industry

High-Tech (T)(68)Other (O)(43)Medical (M)(5)

All litigations

CasePatentsCourtFiledStatus
Apple Inc. v. Headwater Research LLC3:25-cv-07591
8745191923240394915648639935
N.D. Cal.—dismissed
Headwater Research LLC v. Comcast Cable Communications, LLC d/b/a Xfinity2:25-cv-00903
8745191
E.D. Tex.——
Headwater Research LLC v. Charter Communications Inc.2:25-cv-00901
8745191
E.D. Tex.——
Headwater Research LLC v. Apple Inc.7:25-cv-00375
8745191
W.D. Tex.——
Headwater Research LLC v. AT&T Inc.2:23-cv-00397
874519185895419215613
E.D. Tex.——
VirtaMove, Corp. v. Microsoft Corp.7:24-cv-00338-ADA
54817067784058
U.S. District Court for the Western District of Texas——
Untitled case25-1037
10964987
U.S. Court of Appeals for the Federal Circuit—on appeal / related to patent family; details unverified
Zhuhai CosMX Battery Company Limited v. Ningde Amperex Technology Limited5:22-cv-04510
10964987
U.S. District Court, Northern District of California—related mirror/declaratory action; disposition unverified
Ningde Amperex Technology Ltd. v. Zhuhai CosMX Battery Co., Ltd.2025-1037; 2025-1091
1132935210964987
U.S. Court of Appeals for the Federal Circuit—dismissed
Motorola, Inc. v. Lemko Corporation et al.1:08-cv-05427
7840230
U.S. District Court for the Northern District of Illinois—summary judgment
Ricoh Company, Ltd. v. Zoom Communications, Inc.
1074005911256464B2
——active
Digital Envoy, Inc. v. Google, Inc.C 04 01497 RS
6684250
U.S. District Court for the Northern District of California, San Jose Division——
Quova, Inc. v. Digital Envoy, Inc.4:04-cv-02674
6684250
U.S. District Court for the Northern District of California, Oakland Division (per docket metadata); Unified Patents portal lists California Eastern District Court (discrepancy noted in narrative)—dismissed (settled)
ST Case1Tech, LLC v. Squires (USPTO)2023-2294
9124982
U.S. Court of Appeals for the Federal Circuit—affirmed
Samsung Electronics Co., Ltd. et al. v. Staton Techiya, LLCIPR2022-00388
10966015
U.S. Patent Trial and Appeal Board—Final Written Decision; certificate issued
Freedom Wireless, Inc. v. Alltel Corp. et al.2:06-cv-00504
5722067
U.S. District Court for the Eastern District of Texas, Marshall Division—closed
Untitled case3:05-cv-00604
5737619
U.S. District Court for the Northern District of Texas, Dallas Division—unknown
Freedom Wireless, Inc. v. [defendant]2:07-cv-00151
6157823
U.S. District Court for the Eastern District of Texas—unknown
Cingular Wireless LLC v. Freedom Wireless, Inc.2:06-cv-01935
6157823
U.S. District Court for the District of Arizona—dismissed
Freedom Wireless, LLC v. Cingular Wireless LLC2:06-cv-00505
6157823
U.S. District Court for the Eastern District of Texas—unknown