McGraw Hill LLC was sued by textbook authors who claim the company has slashed their royalties by unilaterally revising the rules for how they get paid for online versions of their work.

The following are personnel changes and other news recently announced by prominent intellectual property law firms and other IP-related organizations:

An Arizona federal court appeared ready to hold Limelight Networks Inc. in contempt for refusing to provide documents and testimony in a Texas patent dispute involving LG Electronics Inc.

The U.S. Patent and Trademark Office said it is considering changes to its criteria for people to take the patent bar exam, after lawmakers expressed concern about a gender gap among patent practitioners.

The governing body of the Yakama Nation—which has banned alcohol on tribal lands—sued vineyards and others in Washington federal court for allegedly using the names of the tribe and its historical leader Kamiakin on wine.

Samsung asked a federal court to rule that certain of its televisions, displays and monitors don’t infringe a Polaris PowerLED patent related to backlit LEDs.

Netflix Inc. and the makers of its hit show “Stranger Things” were denied in their attempt to dismiss Jeffrey Kennedy’s claims in Los Angeles federal court that they stole several elements of the show from his screenplay.