Following are representative cases Dr. Mammen has litigated in his solo firm and/or at his prior firms:

REPRESENTATIVE CASES

  • Advanced Analogic Technologies, Inc. v. Kinetic Technologies, Inc., N.D. Cal.  Represented Kinetic in a patent infringement action.  Won a Rule 12(b)(6) dismissal of complaint based on Twombly. 
  • Amgen v. Roche, D. Mass. and Federal Circuit. Represented Amgen in declaratory judgment patent infringement action and Federal Circuit appeal involving recombinant erythropoietin. Case was tried to a verdict in a 4-week jury and bench trial.
  • Versata v. SAP, E.D. Tex. Represented SAP in patent infringement suit involving artificial intelligence software and eCommerce technology.
  • Qualcomm v. Nokia, S.D. Cal, AAA and Federal Circuit.  Represented Qualcomm in a patent infringement suit involving cellular telephone technology.  Argued Federal Circuit appeal against former Stanford Law School dean Kathleen Sullivan.
  • ISCO International, Inc. v. Conductus, Inc., et al., D.Del. and Federal Circuit. Represented Superconductor Technologies (STI) in a patent infringement suit involving high-temperature superconductive receiver front ends used in cellular telephone systems. The case was tried to verdict in a 13-day jury trial and fully litigated through appeal.
  • Overture Services Inc. v. FindWhat.com, C.D.Cal. Represented Overture (a subsidiary of Yahoo!) in a patent infringement suit involving paid Internet search (this is a parallel action to the Overture v. Google suit whose settlement was announced in 2004).
  • Starpay.com LLC, et al. v. Visa Int’l Service Ass’n, et al., N.D. Tex. Represented Visa in a patent and trade secret suit involving secure online payment systems.
  • Safeclick LLC v. Visa Int’l Service Ass’n, et al., N.D. Cal. Represented Visa in a patent infringement suit involving secure online payment systems.
  • Linear Technology Corp. v. Maxim Integrated Products, N.D.Cal. Represented Maxim in a patent infringement suit involving switched voltage regulators used primarily in laptop computers.
  • Altera Corporation v. Xilinx, Inc., N.D. Cal. Represented Altera in a patent infringement suit involving numerous patents on programmable logic devices.
  • Computer Sciences Corp. v. Computer Associates Int’l, Inc., et al., C.D. Cal. Represented Computer Associates in the action. CSC alleged that Computer Associates misappropriated confidential financial information in connection with a $10 billion takeover attempt.
  • Represented ASCAP members in over a dozen copyright infringement matters relating to the unauthorized performance of copyrighted musical works in the Northern District of California.

REPRESENTATIVE APPELLATE CASES

  • Therasense v. Becton Dickinson, Federal Circuit.  Submitted amicus brief on behalf of nine IP Law Professors in support of en banc review of inequitable conduct doctrine.
  • Amgen v. Roche, Federal Circuit. Counsel for Amgen in appeal of post-verdict preliminary injunction.
  • Qualcomm v. Nokia, Federal Circuit.  Represented Qualcomm in a patent infringement suit involving cellular telephone technology.  Argued Federal Circuit appeal against former Stanford Law School dean Kathleen Sullivan.
  • Rasul v. Bush, Supreme Court of the United States. Represented Amici Curiae Center for Justice and Accountability and numerous individual advocates for the rule of law from emerging democracies in an amicus brief in the Guantanamo Bay detainee case.
  • ISCO International, Inc. v. Conductus, Inc., et al., Federal Circuit. Represented Superconductor Technologies (STI) in appeal of jury verdict and final judgment in patent infringement case.
  • Wyler Summit Partnership v. Turner Broadcasting System, Ninth Circuit. Represented Warner Bros. in appeal of contract dispute with heirs of Ben Hur director William Wyler.