Courts Searched — May 28, 2026

Summary

5 case summaries published on May 28, 2026. 802 total posts in sitemap.

Cases Published Today

Case Court Topic
Insulet Corp. v. EOFlow Federal Circuit Trade Secret (DTSA)
Go1 v. OpenSesame Federal Circuit Patent (IPR/Obviousness)
Estate of Worrell v. Thang Sixth Circuit Copyright (Co-Ownership)
Maquet Cardiovascular v. Abiomed D. Mass. (Jury Verdict) Patent (Non-Infringement)
On Clouds v. Cyclonic Federal Court of Australia Trademark

Federal Circuit Dispositions (No Standalone Post)

  • Pantech Corp. v. OnePlus Technology (25-1628, 25-1629) — Voluntary dismissal by agreement under Rule 42(b). Added to May 2026 dispositions page.

Courts Searched

Court / Source Method IP Opinions Found
U.S. Supreme Court Pipeline + Newsletter (CourtListener alert) 0 (Margolin v. NAIJ — immigration, not IP)
Federal Circuit Pipeline (cafc.uscourts.gov) + Newsletter 3 (2 opinions published, 1 dismissal to dispositions)
PTAB Pipeline + Web search 0
ITC Pipeline + Web search 0 (Welch’s investigation opened — procedural only)
First Circuit Pipeline (us_ca1) 0 (criminal/FCA cases only)
Second Circuit Pipeline (us_ca2) 0
Third Circuit Pipeline (us_ca3) 0
Fourth Circuit Pipeline (us_ca4) 0
Fifth Circuit Pipeline (us_ca5, GovInfo) 0
Sixth Circuit Pipeline (us_ca6, GovInfo) + Law360 1 (Estate of Worrell v. Thang — copyright)
Eighth Circuit Pipeline (us_ca8) 0
Ninth Circuit Pipeline (us_ca9) 0
Tenth Circuit Pipeline (us_ca10) 0
Eleventh Circuit Pipeline (us_ca11) 0
D.C. Circuit Pipeline (us_cadc) 0
District Courts GovInfo aggregator + Law360 1 (Maquet v. Abiomed jury verdict, D. Mass.)
California Courts Pipeline (us_state_ca, us_state_ca_appellate) 0
Delaware Courts Pipeline (us_state_de) 0
Texas Courts Pipeline (us_state_tx) 0
New York Courts Web search 0
Illinois Courts Pipeline (us_state_il) 0
Florida Courts Web search 0

International Courts Searched

Court / Jurisdiction IP Opinions Found
UK (IPEC, Patents Court) 0
Canada (Federal Court, FCA, SCC) 0 (Macek docket watchlist: 4 entries checked, all still pending)
Australia (Federal Court, Full Court) 1 (On Clouds v. Cyclonic — trademark)
New Zealand (High Court) 0
Singapore (SICC, IPOS) 0
India (Delhi HC, Bombay HC) 0
South Africa (SCA) 0
EU (CJEU, General Court) 0
UPC (Unified Patent Court) 0
EPO Boards of Appeal 0
Germany (BGH, BPatG) 0
France (Cour de cassation, TJ Paris) 0
Italy (Corte di Cassazione) 0
Spain (Tribunal Supremo) 0
Netherlands (Hoge Raad) 0
Switzerland (Bundesgericht) 0
Sweden (PMD) 0
Poland (Sąd Najwyższy) 0
Russia (IP Court) 0
Japan (IP High Court, JPO) 0
Korea (Supreme Court, Patent Court) 0
China (SPC, specialized IP courts) 0
Brazil (STJ) 0
Mexico (Suprema Corte) 0

Additional Sources Checked

  • Law360 IP RSS feed — 17 leads triaged (2 matched to published Fed. Cir. cases, 15 marked as filings/settlements/commentary)
  • Eric Goldman’s Technology & Marketing Law Blog — 1 lead (non-IP topic)
  • Newsletter intake (IMAP) — 79 new messages processed; 2,395 URL discoveries, 181 case mentions; Tier 1 URLs checked (SCOTUS, CAFC, USPTO)
  • CourtListener alerts — Federal Circuit opinions from 5/26-5/28 checked
  • Macek IPPractice.ca docket watchlist — 4 Canadian Federal Court entries checked, all still pending
  • IPWatchdog, Patently-O, SCOTUS Blog — searched for May 28, 2026 opinions
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