Catch up on April’s top IP headlines. Join Nathan Smith, Sarah Bro and Paul St. Marie, Jr. as we discuss April’s Supreme Court cases that ruled on the constitutionality of IPRs and the treatment of claims during an IPR, as well as updates regarding the newly released USPTO memo outlining requirements for Section 101 rejections of patent ineligible subject matter, the impending in-line linking copyright circuit showdown, Afghanistan joining the Madrid system, and importantly, the WHOIS blackout period going into effect later in May 2018.