The docket

Patent litigations.

3,659 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

1998: 2 cases'981999: 2 cases2001: 2 cases'012003: 2 cases2004: 3 cases'042005: 1 case2006: 1 case'072008: 1 case2009: 4 cases2010: 10 cases'102011: 8 cases2012: 12 cases2013: 67 cases'132014: 53 cases2015: 22 cases2016: 31 cases'162017: 40 cases2018: 28 cases2019: 34 cases'192020: 44 cases2021: 116 cases2022: 172 cases'222023: 209 cases2024: 388 cases2025: 580 cases580'252026: 275 cases
3,659 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

All litigations

CasePatentsCourtFiledStatus
Landmark Technology, LLC v. Learning Resources, Inc.U.S. District Court for the Northern District of Illinois, Eastern DivisionFiled
Landmark Technology, LLC v. Launchpad, Inc.3:17-cv-00892U.S. District Court for the Southern District of CaliforniaDismissed
Tatcha, LLC v. Landmark Technology, LLCU.S. District CourtUnknown
Shipping and Transit, LLC v. LoginextU.S. District CourtDismissed
Novacloud Licensing LLC v. Comcast Corporation et al.1:25-cv-01272U.S. District Court for the District of Delawareearly stages
Novacloud Licensing LLC v. Charter Communications, Inc.2:25-cv-01266U.S. District Court for the Eastern District of Texasearly stages
Intellectual Ventures I LLC v. Trend Micro Inc. et al.19-1122U.S. Court of Appeals for the Federal CircuitVacated and Remanded
VirnetX Inc. v. Microsoft CorporationU.S. District Court for the Eastern District of TexasJudgment
VirnetX Inc. v. Apple Inc.6:10-cv-00417-LED, 6:12-CV-00855U.S. District Court for the Eastern District of Texas, Tyler DivisionDismissed as moot
Apple Inc. et al. v. VirnetX Inc.IPR2015-01046, IPR2015-01047Patent Trial and Appeal Board (PTAB)Final Written Decision
VirnetX Inc. v. Cisco Systems, Inc.22-2234U.S. Court of Appeals for the Federal CircuitJudgment Affirmed
Bissell Inc. v. International Trade Commission24-1509Court of Appeals for the Federal CircuitDecided
Bissell Inc. v. Tineco Intelligent Technology Co., Ltd.337-TA-1304International Trade CommissionDecided
Bissell Inc. v. Multiple parties337-TA-3601International Trade CommissionFiled
FedEx Corporation et al. v. Valtrus Innovations Ltd.IPR2026-00060United States Patent and Trademark Office, Patent Trial and Appeal BoardOngoing
Headwater Research LLC v. Verizon Communications Inc. et al.2:23-cv-00352U.S. District Court for the Eastern District of TexasVerdict overturned
Headwater Research LLC v. T-Mobile USA, Inc. et al.2:23-cv-00377U.S. District Court for the Eastern District of TexasSettled
Headwater Research LLC v. AT&T Inc. et al.2:25-cv-00428U.S. District Court for the Eastern District of TexasSettled
Headwater Research LLC v. Apple Inc.Western District of TexasSettled
Unified Patents, LLC v. Onesta IP, LLCIPR2026-00011U.S. Patent and Trademark Office, Patent Trial and Appeal BoardNot Instituted - Procedural
Motive Technologies, Inc. v. Samsara, Inc.3:24-cv-00902U.S. District Court for the Northern District of Californiaactive
Voltage, LLC et al. v. Shoals Technologies Group, LLCIPR2025-01443Patent Trial and Appeal Board (PTAB)Denied Institution
Emerging Automotive LLC v. General Motors Company et al.2:25-cv-00782U.S. District Court for the Eastern District of TexasPending
Emerging Automotive LLC v. Hyundai Motor Company et al.2:25-cv-00799U.S. District Court for the Eastern District of TexasPending
Tianma Microelectronics Co., Ltd. v. LG Display Co., Ltd.IPR2025-01579United States Patent and Trademark Office, Patent Trial and Appeal BoardInstitution Denied