Ann K. Kotze
Associate


akotze@greengriffith.com
312.883.8015
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Ann specializes in intellectual property law, concentrating in patent litigation relating to pharmaceutical, chemical and biochemical products. She has particular experience in patent litigation and counseling under the Hatch‐Waxman Act, and has represented both plaintiffs and defendants in shaping and executing successful litigation strategies. Ann’s experience spans many aspects of patent litigation, including initial opinions and pre-suit investigation, fact and expert discovery, motion practice, depositions, and completion of trial. Ann’s experience also includes representing patent owners in inter partes review proceedings before the Patent Trial and Appeal Board.

Ann was named in the Illinois Rising Starlist, as published in Illinois Super Lawyers, 2017-2018, and was selected by her peers as an Emerging Lawyer in Intellectual Property Law and Patent Law – Leading Lawyers Network in 2015-2019.

Prior to joining Green Griffith, Ann was an Associate at Leydig, Voit & Mayer, Ltd., where she also worked as a Summer Intern in 2010 and 2011.

Ann served as an undergraduate analytical chemistry research intern at Pfizer Global Research and Development and as a research student for the College of the Holy Cross Chemistry Department Undergraduate Research Program prior to attending law school.

Education

Northwestern University School of Law, J.D.
       Northwestern University Law Review, Associate Editor
College of the Holy Cross, B.A., chemistry, magna cum laude
       College Honors Program
       Ignatian Scholarship, Recipient

Professional Affiliations
  • Intellectual Property Law Association of Chicago (IPLAC)
  • Chicago Bar Association
Court Admissions
  • Registered Patent Attorney, U.S. Patent and Trademark Office, No. 76,570
  • U.S. District Court for the Northern District of Illinois
Honors
  • Named in the Illinois Rising Stars list, as published in Illinois Super Lawyers, 2017-2019
  • Selected by peers as an Emerging Lawyer in Intellectual Property Law and Patent Law – Leading Lawyers Network, 2015-2019.
Representative Matters
  • Lipocine Inc. v. Clarus Therapeutics, Inc., 19-00622-UNA (D. Del.) – (oral testosterone – JATENZO®)
  • Dexcel Pharma Technologies Ltd. v. Takeda Pharm. Co. Ltd. et al., 16-4957-MLC (D.N.J.) – (lansoprazole delayed-release orally disintegrating tablets)
  • Dexcel Pharma Technologies Ltd. et al. v. Apotex Corp. et al., 17‐2423‐SDW (D.N.J.) – Omeprazole DR Tablets, 20 mg (OTC)
  • Dexcel Pharma Technologies Ltd. et al. v. Dr. Reddy’s Labs., Ltd. et al., 15‐8042‐ SDW (D.N.J.) – Omeprazole DR Tablets, 20 mg (OTC)
  • Dexcel Pharma Technologies Ltd. et al. v. Sun Pharma Global FZE et al., 15‐8017‐SDW (D.N.J.) – Omeprazole DR Tablets, 20 mg (OTC)
  • Horizon Therapeutics, LLC v. Par Pharmaceutical Inc., 17-05901-KM-MAH (D.N.J.) (glycerol phenylbutyrate – RAVICTI®)
  • Horizon Therapeutics, LLC v. Lupin Ltd. et al., 17-5900-KM-MAH (D.N.J.) (glycerol phenylbutyrate – RAVICTI®)
  • Horizon Therapeutics, LLC v. Lupin Ltd. et al., 15-7624-RBK-JS (D.N.J.) (glycerol phenylbutyrate – RAVICTI®)
  • Horizon Therapeutics, LLC v. Lupin Ltd. et al., 16-4438-RBK-JS (D.N.J.) (glycerol phenylbutyrate – RAVICTI®)
  • Lupin Ltd. et al. v. Horizon Therapeutics, LLC, IPR2017-00159, -01160 (glycerol phenylbutyrate – RAVICTI®)
  • Par Pharmaceutical Inc. v. Horizon Therapeutics, LLC, IPR2017-01767, -01768 and -01769 (glycerol phenylbutyrate – RAVICTI®)
  • Horizon Pharma AG et al. v. Watson Laboratories, Inc. – Florida, 13‐5124‐JEI (D.N.J.) (delayed release prednisone ‐ RAYOS®)
  • Helsinn Healthcare SA et al. v. Cipla Ltd., 14‐427‐GMS (D.Del.) (palonosetron HCl injection ‐ ALOXI®)
  • Horizon Pharma, Inc. et al. v. Par Pharm. Cos., Inc. et al., 12‐0393 (D. Del.) (ibuprofen and famotidine ‐ DUEXIS®)
  • Merck, Sharp & Dohme Corp. et al. v. Cipla USA, Inc. et al., 13‐4017 (efavirenz ‐ Sustiva®)

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