Spencer Ririe

Partner

Mr. Ririe is a senior attorney with nearly 20 years of experience in general business litigation and counseling. Prior to founding Mangum Ririe, he practiced with the international law firms Sidley Austin and Gibson, Dunn & Crutcher, where he represented plaintiffs and defendants in high stakes litigation often involving damages claims in the hundreds-of-millions of dollars.

Highlights of Mr. Ririe’s career include his roles as a member of the trial team that secured a $184 million jury verdict for Cornell University for infringement of its pioneering patent for out-of-order instruction issuance in microprocessors, his representation of Nippon Steel & Sumitomo Metal Corporation in a complex multi-jurisdictional international patent and trade secret dispute with a rival steelmaker that resulted in a public apology and $248 million settlement in favor of Nippon Steel, and as a member of the trial team that successfully defended T-Mobile against a non-practicing patent-licensing entity, resulting in a complete jury verdict of non-infringement and invalidity.

Among his experience in general business litigation and counseling, Mr. Ririe has particular expertise in intellectual property law, having litigated patent infringement lawsuits, prepared formal patent opinions (including freedom-to-operate and patentability opinions), prosecuted patents, and counseled clientele on diverse IP issues.

Mr. Ririe is a member of the California Bar and is admitted to practice before the U.S. Patent and Trademark Office, the U.S. Court of Appeals for the Federal Circuit, and in the U.S. District Courts for the Northern, Central, Southern, and Eastern Districts of California and the Eastern District of Texas. He also has represented clients before the International Trade Commission and the Patent Trial and Appeal Board at the U.S.P.T.O. He has extensive experience coordinating with practitioners in Europe, China, and Japan concerning legal proceedings in international jurisdictions.

Mr. Ririe earned his law degree, with high honors, from The George Washington University Law School in 2006, where he was elected to the Order of the Coif. While attending law school, he practiced full-time as a patent clerk with Hunton & Williams (now Hunton Andrews Kurth), training in the areas of patent prosecution and counseling. Mr. Ririe also holds a Bachelor of Science degree from Brigham Young University in Utah, where he majored in chemical engineering.