CHRISTIAN E. MAMMEN
PRACTICE EXPERIENCE
Dr. Mammen’s practice is focused on patent and related intellectual property litigation and appeals. He is experienced in litigating intellectual property rights in the telecommunications, Internet and biotechnology fields. Since 2003, Dr. Mammen has participated in the trial of three patent infringement cases, argued before the Federal Circuit, and submitted briefing to the U.S. Supreme Court.
Following law school, he attended Oxford University in England, where he earned a doctorate in jurisprudence. His scholarly dissertation was published in 2002 entitled Using Legislative History in American Statutory Interpretation. In 1995-1996, Dr. Mammen served as a law clerk to the Hon. Robert R. Beezer on the United States Court of Appeals for the Ninth Circuit.
From 1997-2005, he practiced intellectual property and appellate litigation in the San Francisco office of Heller Ehrman, where he litigated IP cases in the fields of fields of paid Internet search, online payment authentication, switching voltage regulators, programmable logic devices, telecommunications and high temperature superconductivity. He co-authored an amicus brief to the U.S. Supreme Court in Rasul v. Bush, the first Guantanamo Bay detainee case and participated in a number of other appeals in state and federal court.
Dr. Mammen joined the Silicon Valley IP litigation boutique of Day Casebeer Madrid & Batchelder in 2005, and was a partner there from 2007-2008. While at Day Casebeer, he argued a Federal Circuit appeal against former Stanford Law School Dean Kathleen Sullivan, first-chaired a three-day Markman hearing, led teams as large as fifteen lawyers, and played significant roles in two major patent trials.
Dr. Mammen is a member of the American Bar Association, and was co-chair of the Patent Litigation Subcommittee of the ABA’s Section of Litigation from 2003-2006. He also served as the IP Litigation chair for the San Francisco Bar Association’s Barrister’s Club in 2002-2003. In 1998, he was recognized by The American Lawyer for his pro bono work on behalf of low-income tenants in San Francisco, and he served on the Board of Directors of Legal Assistance to the Elderly from 1999 to 2005.
EDUCATION
• D.Phil., Law, Oxford University (2001)
• J.D. magna cum laude, Order of the Coif, Cornell Law School (1993)
• B.A. magna cum laude (Philosophy), Phi Beta Kappa, Trinity University (1990)
BAR ADMISSIONS AND MEMBERSHIPS
• California
• Washington
• United States Supreme Court
• U.S. Court of Appeals for the Federal Circuit
• U.S. Court of Appeals for the Ninth Circuit
• U.S. District Courts for the Northern, Central and Southern Districts of California
