Nathan S. Mammen

Intellectual Property Trial Litigation

• Defended global leader in digital agriculture in a multi-patent case involving invalidity.
• Represented innovating manufacturer of fluid application equipment in defending against a patent infringement claim and asserting antitrust counterclaims.
• Represented global manufacturer of agricultural and industrial equipment as a plaintiff in a patent infringement litigation against two competitors in a two-week trial to determine infringement, validity, and damages.
• Represented beverage company in defensive and offensive patent-based ITC investigations relating to blow-molding plastic bottles and drink machines.
• Defended leading worldwide tolling systems provider in a multi-patent ITC action brought by a competitor.
• Represented drilling technology company in district court infringement action and ten inter partes review proceedings involving petroleum drill bit technology.
• Defended leading worldwide tolling systems provider in a multi-jurisdiction, multi-patent infringement action brought by competitor concerning patents alleged to be essential to the 6C/Gen2 RFID standard. 
• Represented major electronics manufacturer in international arbitration concerning valuation of a portfolio of thousands of patents.
• Represented global oilfield services company in declaratory judgment action involving twelve of client’s patents.
• Represented major electronics manufacturer in multiple ITC proceedings concerning wireless communication technologies.
• Represented major defense contractor in international arbitration with foreign competitor concerning intellectual property rights to sensitive defense technology.

Intellectual Property Appellate Litigation

• Appellate counsel for major pharmaceutical manufacturers in landmark case involving antibody technology in two Federal Circuit appeals and before the Supreme Court.
• Represented global semiconductor manufacturer in three separate appeals challenging decisions of Patent Trial and Appeal Board that had affirmed validity of patents asserted by patentee in litigation; argued one appeal.
• Appeal for global marine recreation company following a jury trial on willful infringement and  enhanced damages, attorneys’ fees, and a permanent injunction.
• Represented patentee in an appeal at Federal Circuit regarding patent invalidity. 
• Represented patentee in an appeal to the Federal Circuit defending a jury verdict of willful infringement, including a nine-figure damages verdict and an ongoing royalty award.

Other Trial and Appellate Litigation

• Lead trial and appellate counsel representing six decorated Coast Guards veterans in class action challenging the government’s forced retirement of them and hundreds of other senior enlisted personnel.  
• Represented family on appeal challenging summary judgment order that had dismissed claims against state for negligent investigation that led to separation of family.
• Represented veteran challenging administrative board’s refusal to correct service record; argued appeal.
• Represented generic drug manufacturer in class action raising antitrust claims based on settlement of patent case.
• Represented client in landmark appeal involving American with Disabilities Act and Due Process challenges to a state policy for forcible medication of involuntarily committed patients in state hospitals; argued appeal.
• Argued numerous other cases in courts of appeals on behalf of veterans and indigent defendants.