As we previously reported, REGENXBIO’s litigation against Sarepta, alleging infringement of U.S. Patent No. 11,680,274 (the “’274 patent”) by Sarepta’s gene therapy product, was stayed pending resolution of Sarepta’s IPR against the ’274 patent. The PTAB now has granted institution of Sarepta’s IPR, which challenges claims 1, 3-6, and 8…