Department profile
Polsinelli PC

Intellectual Property: Patent Prosecution

USA Guide 2026 : District of Columbia


Polsinelli PC

Rankings

About

Provided by Polsinelli PC

The Polsinelli Intellectual Property Department is a cross-functional group organized to service all our client’s intellectual property needs in a variety of industries. Our attorneys handle the most complex issues facing technology and high tech companies, bioscience and life sciences companies, animal science, medical device, pharmaceutical, chemical, software and business methods and any of a variety of other high tech industries.

The Department currently has more than 160 attorneys, patent agents, scientists and other professionals in nine distinct practice groups, constituting one of the largest IP practices in the nation. The Department also holds more than 90 technical degrees, including more than 20 Ph.D.'s.

Recent rankings include:

Nationally ranked in Tier 1 for Patent Law, Trademark Law, Technology Law and Litigation – Intellectual Property in U.S. News and World Report’s 2022 “Best Law Firms.” 

Nationally ranked as a Leader in IP Litigation in BTI Consulting Group's 2022 Litigation Outlook report.

Nationally ranked in patent prosecution in the 2021 IAM Patent 1000.

Included among the top 1% in multiple categories in Patexia's Intelligence Reports:

  • ​Patent Prosecution, 2022
  • Patent Litigation, 2022
  • CAFC, 2021
  • ANDA (Hatch-Waxman Litigation)
  • IPR, 2021
  • Trademark, 2021

Included on the following Juristat lists (all 2021):

  • "Firms with the Most Applications in Front of Difficult Examiners"
  • "24 Firms with the Best Track Record Against Difficult Examiners" 
  • "Top Patent Firms"

Chambers Review

Provided by Chambers

Intellectual Property: Patent Prosecution - District of Columbia

Band 2

Band 2


What the Team is Known For

Polsinelli PC has a strong track record in patent prosecution and also provides clients with broader patent strategy advice. The team is adept at representing clients in USPTO cases. It advises a diverse client base that includes companies in the technology, life sciences and energy sectors.

Work Highlights

Provided by Chambers

  • Polsinelli PC assisted AiRANACULUS in its patent portfolio development in relation to wireless optimization technology.

Strengths

Provided by Chambers

  • Polsinelli has a wide breadth of knowledge and the ability to research complex topics and distill their research into actionable items.

    Intellectual Property: Patent Prosecution respondentUSA
  • Polsinelli's commercial awareness is evident in its ability to identify valuable innovations, tailor advice accordingly and anticipate how IP decisions may impact our a business' competitive position.

    Intellectual Property: Patent Prosecution respondentUSA
  • Polsinelli is very business-oriented.

    Intellectual Property: Patent Prosecution respondentUSA
  • The team understands the legal nuance to every legal decision in IP.

    Intellectual Property: Patent Prosecution respondentUSA
  • Polsinelli is responsive, informed, dynamic and proactive.

    Intellectual Property: Patent Prosecution respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 2Arriènne M Lezak
    Band 2Arriènne M Lezak

    Arriènne M Lezak

    Arriènne Lezak maintains a successful patent prosecution practice. She has particular expertise in advising clients in the technology sector.

  • Up and ComingBrian McKnight
    Up and ComingBrian McKnight

    Brian McKnight

    Brian McKnight is commended for his strength in patent drafting, patent prosecution and strategic counseling in the computer and software engineering spaces.

    • Brian's strategic foresight empowers clients to make informed decisions, navigate potential pitfalls and capitalize on emerging trends with confidence.

      Intellectual Property: Patent Prosecution respondentUSA
    • Brian is very knowledgeable about the technology landscape.

      Intellectual Property: Patent Prosecution respondentUSA
    • Brian possesses an extraordinary ability to demystify the complexities of patent law, breaking down intricate concepts into actionable strategies that align with business objectives.

      Intellectual Property: Patent Prosecution respondentUSA
    • Brian exudes a genuine passion for protecting innovations, and this is evident in the meticulous care and enthusiasm he brings to every project.

      Intellectual Property: Patent Prosecution respondentUSA
    • Brian delivers outstanding service through a highly-personalized, hands-on approach.

      Intellectual Property: Patent Prosecution respondentUSA

Ranked Individuals at Polsinelli PC (2)

District of Columbia

  • Profile image of Arriènne M Lezak

    Arriènne M Lezak

    Intellectual Property: Patent Prosecution

    View profile
  • Profile image of Brian McKnight

    Brian McKnight

    Intellectual Property: Patent Prosecution

    View profile

Members

Provided by Polsinelli PC

Polsinelli PC has rankings in the following guides

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