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
Ascendis Pharma A/S v. BioMarin Pharmaceutical Inc.4:25-cv-05696
8377884
U.S. District Court for the Northern District of California—settled
SiRF Technology, Inc. et al. v. International Trade Commission2009-1262
64178016937187
U.S. Court of Appeals for the Federal Circuit—affirmed
SiRF Technology, Inc. v. U.S. International Trade Commission2009-1262
6606346
U.S. Court of Appeals for the Federal Circuit—Affirmed
Global Locate, Inc. et al. v. SiRF Technology, Inc. et al.337-TA-602
660634664178016651000670465169371877158080
U.S. International Trade Commission, Washington, D.C.—Complainants prevailed; violation found; limited exclusion order and cease-and-desist orders; investigation terminated.
Camac Fund, L.P. v. Chen2025-0181-PAF
10816354
Delaware Court of Chancery——
Wolfson v. Hou2023-0279
10816354
Delaware Court of Chancery——
Young v. Hou2022-1157
10816354
Delaware Court of Chancery——
Nusbaum v. Hou2022-1095
10816354
Delaware Court of Chancery——
CreateAI Holdings, Inc. (f/k/a TuSimple Holdings, Inc.) v. Bot Auto TX Inc.24-BC11A-0007
10816354
Texas Business Court, Harris County, 11th Division—temporary injunction denied; TRO dissolved
Bluestone Ventures Inc v. Uber Technologies Inc6:21-cv-00685
9746341
U.S. District Court for the Western District of Texas—closed
Zentian Ltd. v. Apple Inc.24-2204
10062377
U.S. Court of Appeals for the Federal Circuit—judgment
HBAC MatchMaker Media Inc. v. Fox Broadcasting Company1:13-cv-00431
5220501
U.S. District Court for the District of Delaware—unknown
Untitled case3:17-cv-01307
6523061
S.D. Cal.——
IPA Technologies Inc. v. Microsoft Corp.1:18-cv-00001
6523061
D. Del.—stayed
Untitled case18-1869
6791971
U.S. Court of Appeals for the Federal Circuit—unconfirmed
Sonus Networks, Inc. v. Metaswitch Networks Ltd. et al.2:18-cv-00155
6791971
U.S. District Court for the Eastern District of Texas, Marshall Division—settled and dismissed with prejudice
Genband US LLC v. Metaswitch Networks Corp. et al.2017-1148
6791971
U.S. Court of Appeals for the Federal Circuit—vacated and remanded
Untitled case17-1148
6772210
U.S. Court of Appeals for the Federal Circuit——
Genband US LLC v. Metaswitch Networks Corp.2017-1148
7184427
U.S. Court of Appeals for the Federal Circuit—decided; vacated and remanded
Untitled case2018-1869
7990984
U.S. Court of Appeals for the Federal Circuit—stayed pending settlement