Summary
On May 21, 2026, LexSummary published 3 new case summaries. The automated ingestion pipeline processed 23 sources, and additional web searches, newsletter intake, commentary leads, and docket watchers were reviewed.
| Metric | Count |
|---|---|
| Cases published | 3 |
| Cases skipped (non-IP / duplicates) | 52 |
| Commentary leads reviewed | 50 |
| Email newsletter leads processed | 1,631 URLs, 100 case mentions (within 24h window) |
| Macek watchlist entries checked | 4 (none decided) |
| Total posts in sitemap | 775 |
Cases Published Today
- Samesurf v. Intuit — Federal Circuit affirms PTAB finding that browsing patent claims are obvious (May 21, 2026)
- Otsuka v. Lupin — Federal Circuit affirms noninfringement and obviousness of kidney drug patents (May 21, 2026)
- C3.ai v. Cummins — Delaware jury awards $23.3M for AI trade secret misappropriation (May 19, 2026)
Federal Courts Searched
| Court | Result |
|---|---|
| U.S. Supreme Court | 3 opinions issued (M&K Employee Solutions v. Trustees; Havana Docks v. Royal Caribbean; Hamm v. Smith) — none IP-related |
| Federal Circuit | 5 opinions/orders issued — 2 patent cases published, 3 non-IP (veterans, government contracts, aquaculture) |
| PTAB | No new IP decisions identified for today |
| ITC | No new decisions identified |
| District Courts (via GovInfo) | 25+ docket entries reviewed — procedural filings, no standalone opinions identified |
| Circuit Courts (1st–11th, D.C.) | Searched via pipeline + web — no IP opinions identified |
State Courts Searched
| State | Result |
|---|---|
| California (Supreme Court & Courts of Appeal) | No IP opinions identified |
| New York (Court of Appeals & Supreme Court) | No IP opinions identified |
| Texas (Supreme Court) | No IP opinions identified |
| Delaware (Supreme Court & Chancery) | C3.ai v. Cummins jury verdict published (Superior Court) |
| Illinois (Supreme Court) | No IP opinions identified |
| Florida (Supreme Court) | No IP opinions identified |
Foreign Courts Searched
| Jurisdiction | Result |
|---|---|
| UK (Patents Court, IPEC) | No new IP opinions identified for today |
| Canada (Federal Court / FCA) | Macek watchlist: 4 pending cases checked — none yet decided |
| Australia (Federal Court) | No new IP opinions for today (Deakin v. Macreadie from May 11 previously noted) |
| EU / CJEU | No new opinions today (Meta v. AGCOM from May 12, Obelix TM from May 13 previously published) |
| UPC (Unified Patent Court) | No new decisions for today |
| EPO (Boards of Appeal) | No new decisions for today (G 1/25 oral proceedings concluded May 8, written decision pending) |
| Germany (BGH, BPatG) | No new IP decisions for today |
| France (Cour de cassation, TJ Paris) | No new IP decisions for today |
| Japan (IP High Court, JPO) | No new IP decisions for today |
| Korea (Supreme Court, Patent Court) | No new IP decisions for today |
| China (SPC, specialized IP courts) | No new IP decisions for today |
| India (Delhi HC, Bombay HC) | No IP opinions identified |
| New Zealand (High Court) | No IP opinions identified |
| Singapore (SICC, IPOS) | No IP opinions identified |
| South Africa (SCA) | No IP opinions identified |
| Italy (Corte di Cassazione) | No IP opinions identified |
| Spain (Tribunal Supremo) | No IP opinions identified |
| Netherlands (Hoge Raad) | No IP opinions identified |
| Switzerland (Bundesgericht) | No IP opinions identified |
| Sweden (Patent- och marknadsöverdomstolen) | No IP opinions identified |
| Poland (Sąd Najwyższy) | No IP opinions identified |
| Russia (IP Court) | No IP opinions identified |
| Brazil (STJ) | No IP opinions identified |
| Mexico (Suprema Corte) | No IP opinions identified |
Commentary & Newsletter Sources Processed
- Law360 IP: 40+ headlines reviewed; case-specific leads researched and resolved
- Eric Goldman’s Technology & Marketing Law Blog: 1 post reviewed (book chapter on TSPA/TSF — non-IP commentary)
- Patently-O: Otsuka v. Lupin coverage confirmed; no new unreported cases
- IPWatchdog: Samesurf v. Intuit coverage confirmed; no new unreported cases
- SCOTUSblog: 3 SCOTUS opinions covered — none IP
- CourtListener alerts: 145+ URLs reviewed — mostly criminal/immigration/civil rights
- Alan Macek IPPractice.ca: Daily digest processed; T-1545-26 lead noted for review
- Justia digests: State court opinions reviewed — no IP cases identified
Macek Docket Watchlist (Canadian Federal Court)
| Docket | Caption | Status |
|---|---|---|
| T-1728-26 | Janssen Inc v. Attorney General of Canada | Not yet decided |
| T-3756-25 | Canadian Linen v. Shah | Not yet decided |
| T-2217-26 | Pacific Smoke v. GCore Canada | Not yet decided |
| T-2225-26 | Gavora v. Naughty Ventures | Not yet decided |