Heather M. Petruzzi

Heather M. Petruzzi is a partner who focuses her practice on complex intellectual property matters for life sciences and medical device clients. Ms. Petruzzi represents clients before the USPTO, in district courts and at the Federal Circuit.

PTAB and PTO: Ms. Petruzzi represents clients as lead counsel across a variety of technologies in strategic post-grant proceedings before the USPTO, including inter partes review. She also prosecutes strategic patent portfolios for universities, startup and large companies.

Litigation: Ms. Petruzzi represents pharmaceutical companies in ANDA litigation and medical device clients in district court. She handles pre-litigation investigations, discovery, claim construction, expert discovery, expert reports and depositions. She has experience coordinating global litigation and foreign opposition strategies for both pharmaceutical and medical device clients. She also drafts briefs and prepares for oral argument before the Federal Circuit in appeals from the district court and the USPTO.

Counseling, Policy and Corporate Advice: Ms. Petruzzi counsels clients on freedom to operate matters and drafts invalidity and non-infringement opinions. She also counsels clients on IP policy and pending legislation issues. She works with clients on licensing, IP sales and acquisitions, and performs due diligence analyses.

Ms. Petruzzi serves on the firm’s post-grant proceedings, life sciences and medical device working groups. She is also a member of the firm’s Hiring Committee.

Professional Activities

Ms. Petruzzi serves on the Conference Committee for the PTAB Bar Association. She is also a member of the Intellectual Property Owners Association, the Intellectual Property and Innovation Committee of the US Council for International Business, AIPLA and the ABA. 


  • Lead counsel for a pharmaceutical company patent owner in an IPR that ended in a favorable settlement, and as counsel in another IPR that was denied institution.

  • Lead counsel in IPRs on behalf of petitioner that led to favorable settlements.

  • Lead infringement and validity strategy in a large Hatch-Waxman trial concerning a blockbuster drug.

  • Revise briefs and coordinate a consistent global patent strategy across Europe and Asia for a pharmaceutical client.


Insights & News


  • Education

    • JD, George Washington University Law School, 2008

      with high honors Order of the Coif; Public Contracts Law Journal, Moot Court Board
    • BS, Chemistry/International Studies/Spanish, University of Richmond, 2005

      summa cum laude Phi Beta Kappa
  • Admissions

    • District of Columbia

    • New York

    • United States Patent and Trademark Office

    • US Court of Appeals for the Federal Circuit

  • Languages

    • Spanish