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Sarah A. Biggs


Sarah Biggs practices a broad range of intellectual property law focusing on patent and trademark opinion work, prosecution, litigation and client counseling. She has extensive experience in various industries but has particular expertise in the medical device, nutritional, pharmaceutical and chemical industries.

Clients rely on Sarah to provide counsel on potential risk and risk management strategies. This includes performing due diligence and preparing opinions related to licensing, acquisitions and potential litigation with a particular focus towards pharmaceutical compounds, nutritional formulations and sterile biological implants.

Sarah helps her clients effectively and efficiently manage and develop their intellectual property portfolios. This involves harvesting and prioritizing ideas for intellectual property protection and routinely counseling clients about such protection.

Additionally, Sarah prepares and prosecutes domestic and foreign patent applications in a wide variety of technical areas including chemicals for printed circuit board manufacture, surface treatment chemicals, carbon dioxide gas production methods and uses, hydrogen sensors, sterile biological implants and drug screening methods. She also prepares and prosecutes domestic and foreign trademark registration applications.

Sarah is involved in all aspects of patent, trademark, trade dress and unfair competition litigation, including coordinating various elements of discovery, researching legal, factual and scientific issues, and preparing written submissions to the Court in a variety of technical areas, such as medical devices, consumer products and computerized methods.

Related Experience

  • Adjunct Professor at The John Marshall Law School, Patent and Trade Secret Law
  • Research Assistant at University of Pittsburgh, Department of Chemistry – Environmental Chemistry
  • Research Assistant at Michigan State University, Department of Chemistry – Polymer Chemistry
  • Teaching Assistant at Saint Mary’s College, Department of Chemistry – Organic Chemistry

Professional & Community Involvement

  • Science Fair Committee Co-chair, Chicago Intellectual Property Alliance
  • Firm Delegate, Coalition of Women's Initiatives in Law Firms
  • Co-chair Young Adult Ministries, Saint Alphonsus Catholic Church


  • “Formation of Hydrogels Using Poly(vinylamine)/ poly(vinylalcohol) Copolymers and D-Glucose,” Duquesne Research Symposium, August 2001
  • “Microbial Synthesis of Dehydroshikimic Acid Using Fed-batch Fermentation,” Biennial Conference on Chemical Education, August 2000
  • “Patentable Subject Matter in Biotechnology – Prometheus Laboratories v. Mayo Collaborative Services,” McAndrews, Held & Malloy (CLE), November 2009
  • “New Federal Rule of Evidence 502 - Preservation or Waiver of the Attorney-Client Privilege and Work Product Protection,” McAndrews, Held & Malloy (CLE), February 2010
  • “Pleading Standards in Patent Cases - Bell Atlantic Corp. v. Twombly and Beyond,” McAndrews, Held & Malloy (CLE), April 2012
  • “The New USPTO Rules of Professional Conduct,” McAndrews, Held & Malloy (CLE), August 2013

Areas of Practice


Bar Admissions / Registrations

  • Illinois
  • U.S. District Court for the Northern District of Illinois
  • U.S. District Court for the Eastern District of Wisconsin
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Patent and Trademark Office


  • DePaul University College of Law, J.D., magna cum laude
  • Saint Mary’s College, B.S., Chemistry, summa cum laude