Amicus Briefs

On March 2, 2026, the Library Copyright Alliance, Electronic Frontier Foundation, Chamber of Progress, Computer & Communications Industry Association, Public Knowledge, and Organization for Transformative Works submitted an amicus brief in support of the defendant-appellee.

On September 26, 2025, the Library Copyright Alliance, Electronic Frontier Foundation, Internet Archive, Public Knowledge, and Public.Resource.Org submitted the amicus brief Thomson Reuters Enterprise Centre and West Publishing v. Ross Intelligence in support of the defendant-appellant and reversal. Read the amicus brief Thomson Reuters and West v. Ross

On September 5, 2025, the Library Copyright Alliance, the Electronic Frontier Foundation, and Re:Create joined the amicus brief, Cox Communications, Inc. v. Sony Music Entertainment in support of the petitioners and reversal. Read the amicus brief Cox v. Sony

On August 7, 2025, LCA, with the Authors Alliance, Electronic Frontier Foundation, and Public Knowledge, filed a motion for leave to file an amicus brief and an amicus brief in support of the defendant-petitioner’s petition to appeal under rule 23(F). Motion for Leave to File Brief Amicus Brief

On April 22, 2025, LCA—with public.resource.org, Watch Duty, IFIXIT, Inc, Public Knowledge, and Library Futures—joined an amicus brief support of the defendants-appellees, Upcodes, Inc.

On May 22, 2024, the Library Copyright Alliance, along with the Electronic Frontier Foundation, Computer & Communications Industry Association, and Authors Alliance, signed on to an amicus brief in support of defendant-appellee and affirmance.

On May 2, 2024, LCA joined an amicus brief in Whyte Monkee Productions, LLC; Timothy Sepi v. Netflix, Inc.; Royal Good Productions, LLC in support of the defendants-appellees limited petition for partial panel rehearing and rehearing en banc.

On January 10, 2024, LCA filed an amicus brief in Commonwealth of Pennsylvania, Appellee v. John Edward Kurtz, Appellant, in support of appellant Kurtz.

The Library Copyright Alliance joined an amicus brief asking the US Court of Appeals for the full Fourth Circuit to rehear Sony Music Entertainment, Et. Al.  v. Cox Communication, Inc. and COXCOM, LLC, arguing that the court’s holding would result in many law-abiding users losing  internet access, which is essential to daily life.

The Library Copyright Office filed an amicus brief in support of neither party in the case Hachette v. Internet Archive. The brief asks the court to keep in mind the ways that libraries and library users are crucial to the copyright ecosystem, and to craft its decision in a way that preserves the fair use rights of libraries. Read the Hachette v....