The US Court of Appeals for the Federal Circuit on April 18, 2019, invalidated three of Trading Technologies LLC’s patents on a user interface for electronic trading technology, affirming the Patent Trial and Appeal Board’s finding that the patents were ineligible under § 101 after the Board instituted Covered Business Method (CBM) Patent review.

The US Patent and Trademark Office on April 22, 2019, issued a notice of information concerning existing office practice available to a patent owner during the pendency of a trial proceeding under the America Invents Act (AIA); specifically pertaining to the reissue and reexamination procedures available for amending claims involved in the trial. 84 Fed. Reg. 16654.

On April, 17, 2019, Senators Thom Tillis (R-NC) and Chris Coons (D-DE), and Representatives Doug Collins (R-GA), Hank Johnson (D-GA), and Steve Stivers (R-OH), released a bipartisan, bicameral framework to reform Section 101 of the Patent Act.

The USPTO on April 16, 2019, designated three PTAB decisions as precedential.

The Supreme Court on April 15, 2019, heard oral argument in the Brunetti case on whether the statutory ban on registering “immoral ... or scandalous” trademarks violates the First Amendment. Iancu v. Brunetti, U.S., No. 18-302, oral argument 4/15/2019.