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

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.

By industry

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

All litigations

Case	Patents	Court	Filed	Status
Technology Properties Ltd. et al. v. Fujitsu et al.	5784584 5809336 6598148	U.S. District Court, E.D. Tex. (Marshall Div.)	—	settled/dismissed
PPC Broadband, Inc. v. Corning Optical Communications RF, LLC2015-1361	8287320	U.S. Court of Appeals for the Federal Circuit	—	affirmed-in-part, vacated-in-part, remanded
PPC Broadband, Inc. v. Iancu17-1362	8287320	U.S. Court of Appeals for the Federal Circuit	—	decided
Acer, Inc. et al. v. Technology Properties Limited	5530890 5440749	U.S. District Court for the Northern District of California	—	—
Patriot Scientific Corporation v. Technology Properties Ltd. et al.	5440749 5809336 6598148 5604915 5530890 5784584 5659703	California (U.S. district court; venue not fully confirmed)	—	settled
ASUSTek Computer, Inc. et al. v. Technology Properties Ltd. et al.5:08-cv-00884-EMC	5440749	U.S. District Court, N.D. Cal.	—	—
Intel Corp. v. Patriot Scientific Corp.	5659703	U.S. District Court, Northern District of California	—	resolved
Technology Properties Ltd. v. Japanese Electronics Vendors	5659703	U.S. District Court, Eastern District of Texas	—	—
Japanese Electronics Manufacturers v. Patriot Scientific Corp., Technology Prop…	5659703	U.S. District Court, Northern District of California (Oakland)	—	consolidated
Alliacense (TPL Group) v. Multiple Defendants337-TA-853	5659703	U.S. International Trade Commission	—	ongoing
Acer Inc. v. Technology Properties Ltd. et al.	5659703 5809336 5440749 6598148 5530890	U.S. District Court, Northern District of California (before Judge Fogel)	—	filed
Patriot Scientific Corp. v. Technology Properties Ltd. et al.C 04-0618 JF	5604915	U.S. District Court, Northern District of California (San Jose)	—	stipulated final judgment; dismissed with prejudice
Charles H. Moore v. TPL Group et al.	5604915	Superior Court of Santa Clara County, California	—	unknown
TPL Group et al. v. Fujitsu et al.	5604915	U.S. District Court, Eastern District of Texas	—	settled/dismissed
Technology Properties Ltd. et al. v. ARM, Ltd. et al.2:05-CV-494	5604915	U.S. District Court, Eastern District of Texas	—	appealed; Federal Circuit per curiam nonprecedential decision May 9, 2008
Technology Properties Ltd. v. ARM, Ltd.	5604915	U.S. Court of Appeals for the Federal Circuit	—	per curiam nonprecedential decision
PCT International Incorporated v. Holland Electronics, LLC16-1866	6042422	U.S. Court of Appeals for the Federal Circuit	—	affirmed
Untitled case2:13-cv-07374	6042422	U.S. District Court for the Central District of California (C.D. Cal.)	—	reported but unverified
Nike, Inc. v. Skechers U.S.A., Inc.2:19-cv-09230-MWF-JDE	7401420 9730484	U.S. District Court for the Central District of California (Western Division)	—	settled
Symbol Technologies, Inc. v. Metro (Suzhou) Technologies Co., Ltd. et al.337-TA-551	4387297	U.S. International Trade Commission	—	initial determination on violation issued