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 (ITC).
Her technology experience includes matters related to pharmaceuticals, medical devices and treatments, pet care products, garage door openers, smartphones, ereaders, 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 of depositions, preparation of expert reports and testimony, and negotiation of settlements.
Takeda/Baxalta in a patent infringement litigation pending in the District of Delaware involving Genentech’s market-leading drug Hemlibra®, a bispecific antibody treating hemophilia A, which generated $1.4 billion in sales in 2019; Baxalta’s asserted patent relates to antibodies to treat hemophilia patients by preventing blot clotting
Praxair, Inc. (now Linde) in a 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; the Federal Circuit affirmed, and The American Lawyer recognized the Morgan Lewis team as “Litigator of the Week”
Baxalta Inc. in a patent infringement action against Novo Nordisk before the ITC 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
Nestlé Purina Petcare Company in securing a defense verdict where plaintiff sought $73 million in damages for infringement of a patent directed to sodium bentonite formulations
Merck KGaA and related entities in an arbitration against NantKwest and Brink Biologics involving NK-92 cell lines; successfully moved to dismiss related district court action seeking to enjoin the arbitration
Baxalta Inc. in a trade name dilution brought by Spark Therapeutics, Inc. in the Eastern District of Pennsylvania; case settled favorably before the initiation of discovery
TRW Automotive Holding Corp. in a 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
Ferris Mfg. Corp. in a case involving misappropriation of proprietary technical information in the Northern District of Illinois; case settled favorably after a successful defense against motion to dismiss
Baxter International, Inc. in a patent infringement case involving peritoneal hemodialysis machines against Fresenius USA Inc. in the Northern District of Illinois
Amazon.com, Inc. in a patent infringement hearing before the ITC involving microprocessor technology in tablets, hotspots, personal computers, and other electronic devices
Eastman Kodak Co. in an 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
International Game Technology (IGT) in a patent ownership jury trial in the District of Nevada; the case successfully settled after the court indicated it would likely grant IGT’s motion for judgment of law upon close of plaintiff’s case
Hexagon Metrology Inc. and TESA Technology in successfully defending against a preliminary injunction by a patent holder to enjoin the national rollout of a probing system for coordinate measuring machines; case later successfully settled
Stratos Lightwave, Inc. in a patent infringement jury trial in the District of Delaware; after two hours of deliberation, the jury returned a verdict of infringement of all asserted claims of six patents related to optoelectronic transceivers
Fruit of the Loom, Inc. in obtaining a permanent injunction against a principal competitor's cross-border industrial espionage scheme
Underwriters Laboratories Inc. in a multiparty trademark counterfeiting case; successfully moved for summary judgment on defendants' antitrust, trade libel, and trademark cancellation counterclaims; after a lengthy trial, obtained favorable judgment, permanent injunction, and award of attorney fees
Underwriters Laboratories against a negligent misrepresentation claim in a jury trial; the court directed a verdict after the close of the evidence
A global industrial gas manufacturer in multidistrict price fixing cases; jury returned a defense verdict after deliberating for only three hours
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)