1) UPC Roundup (1 week): five-month delay defeats application for provisional measures; clarifications on scope of rejoinder, authorization of counsel; and more

This is a summary of developments in and around the Unified Patent Court (UPC) in the week since our August 24, 2025 UPC Roundup.

2) Federal Circuit revives Sonos v. Google: laches allowed in rare cases only

The Federal Circuit has partly reversed a judgment by the Northern District of California, finding that it abused its discretion in finding that Google was prejudiced by Sonos’ alleged delay in claiming the subject matter at issue via continuation practice.

3) LinkedIn post: What will a patent court apply when it decides on tariffs? eBay!

The Federal Circuit decided that President Trump couldn't justify certain tariffs with an emergency situation, and wants the lower court to re-evaluate the injunction under the eBay v. MercExchange standard. But eBay is a patent injunction ruling that is sometimes also applied to copyright cases, and of little relevance beyond IP.