June 9, 2025 - Following an eight-hour mini-trial led by Lex Lumina managing partner Rhett Millsaps on May 29, a federal judge in New York today granted a preliminary injunction in our lawsuit challenging the U.S. Office of Personnel Management’s unlawful disclosure of records to DOGE and its agents….

April 24, 2025 - We are proud to announce that Lex Lumina has been honored at the 20th Annual Managing IP Awards held tonight in New York City. The event brought together leading intellectual property professionals from across the Americas to celebrate exceptional achievements in the field. Lex Lumina received an “Impact Case of the Year” award for its landmark 2024 victory in LKQ Corp v. GM Global Tech, argued by partner Mark Lemley before the en banc Federal Circuit…

April 11, 2025 - Lex Lumina managing partner Rhett Millsaps spoke with Rolling Stone about the firm’s lawsuit on behalf of millions of federal government employees against the U.S. Office of Personnel Management, DOGE, and Elon Musk over the government defendants’ violation of the plaintiff employees’ privacy rights. Read the full Rolling Stone article by Justin Glawe, “Trump and DOGE Are ‘Trying to Get Around’ Privacy Laws to Gather Your Personal Info,” published on April 8.

April 3, 2025 - A federal judge ruled today that Lex Lumina’s lawsuit seeking to stop the U.S. Office of Personnel Management (OPM) from disclosing tens of millions of Americans’ private, sensitive information to Elon Musk’s “Department of Government Efficiency” (DOGE) will continue…

March 27, 2025 - The President’s recent attacks on lawyers and law firms for daring to have represented the President’s personal enemies or causes that he and his supporters dislike are dangerous threats to the rule of law and our democracy. In this extraordinary moment in U.S. history, lawyers and the courts are essential to safeguarding individual rights and preventing complete authoritarian control of our government. We are proud to represent clients who are suing the government for unlawfully disclosing the highly sensitive, personal information of tens of millions of Americans, and we stand unequivocally with other principled lawyers who are living up to their obligations to defend the rule of law.

February 11, 2025 - Lex Lumina leads a coalition of privacy defenders in filing a lawsuit today n New York federal court to stop the U.S. Office of Personnel Management (OPM) from disclosing millions of Americans’ private, sensitive information to Elon Musk and his “Department of Government Efficiency” (DOGE). The complaint on behalf of the American Federation of Government Employees AFL-CIO, the Association of Administrative Law Judges, International Federation of Professional and Technical Engineers Judicial Council 1 AFL-CIO, and individual current and former government workers across the country, filed in the U.S. District Court for the Southern District of New York, also asks that any data disclosed by OPM to DOGE so far be deleted…

May 21, 2024 - Lex Lumina’s Mark Lemley and Mark McKenna, alongside lawyers from Irwin IP LLP, today won a landmark appeal on behalf of aftermarket auto-parts provider LKQ following en banc rehearing by the full U.S. Court of Appeals for the Federal Circuit in LKQ Corp. v. GM Global Tech. Ops. LLC, Fed Cir., 21-2348. Lemley argued the appeal on behalf of LKQ. In its rare full-court decision, the Federal Circuit threw out a longstanding test for assessing nonobviousness of design patents and sent the case back for reconsideration by a U.S. Patent Office tribunal…

On May 1, 2024, a Lex Lumina team led by Rhett Millsaps and Chris Sprigman won a motion for reconsideration in federal court in the Southern District of New York allowing artist Mason Rothschild to give permission to the Spritmuseum in Stockholm, Sweden to include his MetaBirkins artworks in its upcoming exhibition entitled, “Andy Warhol: A Portrait of Commerce.”…

December 7, 2023 - Today Lex Lumina’s Rebecca Tushnet and Chris Sprigman, working with Discord’s inside counsel, filed an amicus brief in the Supreme Court defending the associational interests of Discord's users and challenging recently enacted laws in Florida and Texas that regulate online services. Discord’s communities want and need assistance from centralized content moderation in order to support their communities. The Texas and Florida laws under review would interfere with Discord’s efforts to help Discord communities police themselves, in violation of the First Amendment…

On November 13, 2023, Lex Lumina’s Rhett Millsaps and Mark Lemley filed a lawsuit on behalf of Google in the U.S. District Court for the Northern District of California against bad actors in Vietnam who weaponized DMCA takedown procedures and Google’s systems by setting up dozens of Google accounts and using them to submit thousands of bogus copyright claims against their competitors. These fraudulent claims resulted in removal of over 100,000 businesses’ websites, costing millions of dollars and thousands of hours in lost employee time…

November 13, 2023 – Today a group of prominent artists and organizations led by art collective MSCHF and free-speech advocacy group Authors Alliance, supported by Harvard Law’s Cyberlaw Clinic, filed an amicus brief in the U.S. Court of Appeals for the Second Circuit supporting MetaBirkins artist Mason Rothschild and urging the Second Circuit to reverse the trial court’s judgment and permanent injunction, which awarded monetary damages to Hermès and barred Mr. Rothschild from promoting or selling his MetaBirkins artworks…

September 19, 2023 – Today Lex Lumina’s Mark Lemley and co-counsel at Cooley filed a motion to dismiss on behalf of Meta in Kadrey v. Meta Platforms Inc. in the U.S. District Court for the Northern District of California, Case No. 3:23-cv-03417. The motion asks the Court to dismiss most of the lawsuit filed by comedian Sarah Silverman and other authors, who claim that Meta violated their copyrights by training its artificial-intelligence-based large-language model LLaMA with their books…

June 30, 2023 - Lex Lumina’s Mark Lemley and Mark McKenna, along with lawyers from Irwin IP LLP, today secured exceedingly rare en banc review by the full U.S. Court of Appeals for the Federal Circuit on behalf of LKQ Corp. in LKQ Corp. v. GM Global Tech. Ops. LLC, Fed Cir., 21-2348…

On January 1, 2023, Mark A. Lemley joined Lex Lumina as of counsel. Lemley is the William H. Neukom Professor of Law at Stanford Law School and the Director of the Stanford Program in Law, Science and Technology. Prior to joining Lex Lumina, Lemley was a co-founder of noted litigation boutique Durie Tangri LLP and of Lex Machina, Inc., a startup company that provides litigation data and analytics to law firms, companies, courts, and policymakers. Durie Tangri recently merged with global law firm Morrison & Foerster LLP, and Lex Machina was acquired by Lexis in December 2015…

On October 11, 2022, Lex Lumina filed an amicus brief in the U.S. Court of Appeals for the Ninth Circuit on behalf of Google, Pinterest, Twitter, and Wikimedia in support of Appellee Instagram in Hunley v. Instagram, LLC…

September 1, 2022 - Lex Lumina PLLC announced today that Kristelia García has joined the firm as of counsel. García is an Associate Professor and Faculty Director at the Silicon Flatirons Center for Law, Technology, and Entrepreneurship at the University of Colorado Law School, where she teaches courses in copyright, trademark, competition, and property…

On June 24, 2022, Lex Lumina attorneys filed an amicus brief in the U.S. Court of Appeals for the Second Circuit on behalf of the Authors Alliance and artists Mason Rothschild and Alfred Steiner in Vans, Inc. v. MSCHF Product Studio, Inc…