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.

Demand letter analyzer

You got a patent demand letter. Now what?

Paste the letter — we extract the asserted patents, identify the asserter, characterize their litigation history, flag validity vulnerabilities, and draft a sample response letter your attorney can review. Free, private, ~2-3 minutes.

Analyze a letter →

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.

Analyze a patent

Drop a US patent number — we’ll verify it on Google Patents and generate the full invalidity dossier.

Log in to analyze a patent

By industry

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

All litigations

CasePatentsCourtFiledStatus
Context Directions LLC v. Tyler Motor Company, Inc.2:25-cv-00955
980756410142791
U.S. District Court for the Eastern District of Texas—open
ControlTec, LLC v. Anthony, Inc.1:24-cv-00883
7207181
U.S. District Court for the District of Delaware—pending
Sandpiper CDN, LLC v. Google LLC2:24-cv-03951
11838385
Central District of California—active
Sandpiper CDN, LLC v. Microsoft Corporation2:26-cv-00681
11218566902111278228717860964966087696478991011673881560668645517
U.S. District Court for the Eastern District of Texas—pending
Untitled case6:24-cv-00305
10943058
U.S. District Court for the Western District of Texas——
Google LLC v. Sandpiper CDN, LLCIPR2025-00806
8645517
Patent Trial and Appeal Board (PTAB)—Pending - Instituted
Multifold International Incorporated Pte. Ltd. v. Motorola Mobility LLC1:23-cv-01173
9792007
U.S. District Court for the District of Delaware—pending
Untitled case2:21-cv-00371
9792007
U.S. District Court for the Eastern District of Texas——
Google LLC v. Sandpiper CDN, LLCIPR2025-00860
10924573
USPTO Patent Trial and Appeal Board (PTAB)—instituted; pending
American Calcar, Inc. v. American Honda Motor Co., Inc. et al.3:06-cv-02433
6009355633049764384656542795
U.S. District Court, Southern District of California—affirmed
Intellectual Ventures I LLC v. Southwest Airlines Co.7:24-cv-00277
7233260
U.S. District Court for the Western District of Texas—not confirmed
Adeia Media Holdings Inc. v. DirecTV, LLC2:26-cv-07222
9661049
U.S. District Court for the Central District of California——
Headwater Research LLC v. AT&T Inc. et al.2:25-cv-00215
1196646488327778639935997393011985155
E.D. Tex.—dismissed without prejudice
Headwater Research LLC v. Google LLC7:25-cv-00369
11966464863993596095109973930110960551140542911985155
W.D. Tex., Waco/Austin Div.—pending
Headwater Research LLC v. [defendant not confirmed]7:25-cv-00370
11966464
W.D. Tex.—unknown
Headwater Research LLC v. DISH Network Corp. et al.2:25-cv-00902
11966464110960551140542911985155863993596095109973930
E.D. Tex.—active
Headwater Research LLC v. Samsung Electronics Co., Ltd. et al.2:24-cv-00228-JRG-RSP
11096055960951011405429
U.S. District Court for the Eastern District of Texas, Marshall Division—dismissed (settled)
Untitled case7:25-cv-00370
11096055
U.S. District Court for the Western District of Texas—open
Untitled case25-2114
11679077
U.S. Court of Appeals for the Federal Circuit—Pending
Untitled case26-1803
11039218
U.S. Court of Appeals for the Federal Circuit—pending