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

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

  • Polsinelli continues to advise and manage all international patent and trademark filings for Liminal.

Strengths

Provided by Chambers

Notable Practitioners

Provided by Chambers

Arriènne M Lezak
2
Arriènne M Lezak
2
Band 2
Arriènne Lezak enjoys a successful patent prosecution practice. She has particular expertise in advising clients in the technology sector.

Angel's people skills are outstanding. She is super fast to respond and has redefined what it means to be a patent lawyer. I have the highest praise for her.

Angel Lezak leads an extremely responsive and savvy patent team.

Angel is really easy to talk to, and she gets concepts quickly. She is very good at conversation with inventors and asking key questions. Angel understands our client base and keeps up with trends.

Angel treats us as a priority, ensuring our needs are always met with the highest level of care. Her proactive communication keeps us informed, and her advice is tailored to our specific goals.

Ranked Lawyers at
Polsinelli PC

Provided by Chambers
Filter by
Band

District of Columbia

Intellectual Property: Patent Prosecution

Arriènne M Lezak
2
Arriènne M Lezak
2
Band 2

Members

Provided by Polsinelli PC