FacultyFaculty/Author Profile
Karen Mangasarian

Karen Mangasarian

Foley & Lardner LLP

New York, NY, USA

Karen Mangasarian is a partner and intellectual property lawyer with Foley & Lardner LLP. She counsels biotechnology, pharmaceutical, and other life sciences clients on all aspects of intellectual property, including procurement and management of worldwide patent rights, patent life cycle management, development of competitive patent strategies, licensing, IP due diligence, and validity, patentability, non-infringement, and freedom-to-operate analyses. She also has extensive experience in contentious patent matters, including interferences, re-examinations, oppositions, and litigation. Dr. Mangasarian has successfully worked with clients across a wide range of technology areas in life sciences including small molecule pharmaceuticals, pharmaceutical formulations, antibodies, protein therapeutics, CRISPR and diagnostic and therapeutic methods in molecular and cellular biology, immunology, microbiology, biochemistry, genomics, and computational biology. She is a member of the firm’s Chemical, Biotech & Pharmaceutical Practice.

Prior to joining Foley, Dr. Mangasarian was a partner at a major New York City-based law firm.


Dr. Mangasarian was recognized among IAM Patent 1000 – World’s Leading Patent Practitioners (2014 – 2016).


  • JD, magna cum laude, New York Law School, 2000
  • PhD (Pharmacology), University of Wisconsin-Madison, 1992
  • BS (Biochemistry), University of Wisconsin-Madison, 1984

Bar Admissions

  • New York
  • U.S. Patent and Trademark Office
Karen Mangasarian is associated with the following items:
CHB Chapters  CHB Chapters Patent Prosecution Basics 2018 - Understanding Patent Law 2018, Thursday, May 24, 2018
Web Segment  Web Segment Patent Overview - Understanding Patent Law 2018, Thursday, May 31, 2018
On-Demand Web Programs  On-Demand Web Programs Understanding Patent Law 2018, Thursday, May 31, 2018, New York, NY
MP3 Audio  MP3 Audio Patent Overview - Patent Overview, Thursday, May 31, 2018
MP4 - Mobile Video Seg  MP4 - Mobile Video Seg Patent Overview - Patent Overview, Thursday, May 31, 2018

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