The US District Court for the Northern District of California on May 29, 2019, held that Juniper Networks Inc., an American networking products developer, did not infringe Finjan Inc.’s malware protection patents.

The US Patent and Trademark Office announced that PKI authentication for EFS-Web and Private PAIR will be unavailable starting 12:01 a.m., Thursday, May 30, and ending at 11:59 p.m., Friday, May 31 ET. There is the potential for further outages as well.

The US District Court for the Western District of Wisconsin on May 24, 2019, granted a preliminary injunction preventing Anheuser-Busch Companies, LLC from implying in its advertisements that MillerCoors LLC beers contain corn syrup.

The United States Court of Appeals for the Federal Circuit on May 23, 2019, found Papst Licensing GMBH & Co.'s software patent, which is related to a software interface device with high data transfer rates, invalid because it was covered by other patented technology and published research.

In a May 22, 2019 press release, Senators Thom Tillis (R-NC) and Chris Coons (D-DE), Chair and Ranking Member of the Senate Judiciary Subcommittee on Intellectual Property, Representative Doug Collins (R-GA), Ranking Member of the House Judiciary Committee, Representative Hank Johnson (D-GA), Chairman of the House Judiciary Subcommittee on Courts, Intellectual Property and the Internet, and Representative Steve Stivers (R-OH) released a bipartisan, bicameral draft bill that would reform Section 101 of the Patent Act.