Margaret A. McGreal focuses her practice on patent, trademark, trade secret, antitrust, and Hatch-Waxman Act litigation. Maggie has experience in every stage of the litigation process with an emphasis on theme development and trial preparation and execution. She has participated in numerous trials on behalf of clients such as Nestle/Purina, TTi, Shire, Baxalta, Praxair, TRW, Baxter Healthcare, Sprint, Amazon.com, Kodak, and Underwriters Laboratories Inc. before numerous US District Courts and the US International Trade Commission. Her technology experience includes matters related to pharmaceuticals, medical devices and treatments, pet care products, garage door openers, smartphones, e-readers, computers, software, progressive gaming systems, and paper chemistry.
Maggie also has handled temporary restraining order and preliminary injunction hearings, preparation of summary judgment briefs, presentation and preparation of witnesses, taking and defending depositions, preparation of expert reports and testimony, and negotiation of settlements.
Counsel for Baxalta in a patent infringement litigation pending in the District of Delaware involving Factor IX/IXa activating antibodies.
Trial Counsel for Praxair, Inc. in two-week ANDA trial in the District of Delaware involving 11 patents relating to inhaled nitric oxide product (INOMAX) and delivery system. The district court ruled that five of the asserted patents were invalid and the other six asserted patents were not infringed, resulting in a complete victory for Praxair.
Trial counsel for Baxalta Inc. in patent infringement action against Novo Nordisk in the International Trade Commission involving a billion-dollar recombinant factor VIII product (ADVATE). Successfully obtained summary determination of infringement before final hearing. The case settled favorably after the ITC ruled in Baxalta’s favor on domestic industry.
Counsel for Baxalta Inc. in trade name dilution against brought by Spark Therapeutics, Inc. in the Eastern District of Pennsylvania. Case settled favorably before the initiation of discovery.
Trial counsel for TRW Automotive Holding Corp. in patent infringement action against Bridgestone Americas Tire Operations, LLC in the District of Delaware involving tire pressure monitoring technology. Case settled favorably for TRW immediately before closing arguments.
Counsel for Ferris Mfg. Corp. in case involving misappropriation of proprietary technical information in Northern District of Illinois. Case settled favorably after successfully defended against motion to dismiss.
Counsel for Google Inc. in patent infringement actions in the District of Delaware and Eastern District of Texas in cases involving Google AdWords, Search, Maps and other technologies.
Counsel for Baxter International, Inc. in patent infringement case involving peritoneal hemodialysis machines against Fresenius USA Inc. in the Northern District of Illinois.
Trial counsel for Amazon.com, Inc. in patent infringement hearing in the US International Trade Commission involving microprocessor technology in tablets, hotspots, personal computers and other electronic devices.
Trial counsel for Eastman Kodak Co. in ITC proceeding. After an unfavorable initial determination, appealed the administrative law judge’s claim constructions and invalidity findings and obtained reversal of those rulings. The case settled on appeal.
Trial counsel for International Game Technology (IGT) in patent ownership jury trial in District of Nevada. Case successfully settled after court indicated it would likely grant IGT’s motion for judgment of law upon close of plaintiff’s case.
Trial counsel for Hexagon Metrology Inc. and TESA Technology in successfully defending against preliminary injunction by patent holder to enjoin national roll-out of a probing system for coordinate measuring machines. Case later successfully settled.
Trial counsel for Stratos LIghtwave, Inc. in patent infringement jury trial in District of Delaware. After two hours of deliberation, jury returned verdict of infringement of all asserted claims of 6 patents related to optoelectronic transceivers.
Counsel for Fruit of the Loom, Inc. in obtaining permanent injunction against principal competitor's cross-border industrial espionage scheme.
Trial and appellate counsel to Underwriters Laboratories Inc. in multi-party trademark counterfeiting case. Successfully moved for summary judgment on defendants' antitrust, trade libel and trademark cancellation counterclaims. After lengthy trial, obtained favorable judgment, permanent injunction and award of attorneys' fees.
Successfully defended Underwriters Laboratories against a negligent misrepresentation claim in a jury trial. The court directed a verdict after the close of the evidence.
Successfully tried multidistrict price fixing cases on behalf of global industrial gas manufacturer. Jury returned a defense verdict after deliberating for only three hours.
Represented a high-ranking General Electric executive in a trade secrets action involving state-of-the-art medical information systems. Plaintiff dismissed the case with prejudice.
Loyola University Chicago School of Law, 1995, J.D., Magna Cum Laude
Loyola University Chicago, 1995, M.S.W.
University of Pennsylvania, 1990, B.A.
Awards and Affiliations
Member, Practice Group of the Year, Intellectual Property, Law360 (2019)
Member, Litigation Department of the Year–Intellectual Property, The American Lawyer (2019)