Intellectual Property

Patent Office

Arnold & Porter's highly ranked Patent Office practice is praised by clients for our work that ranges from worldwide coordination of patent prosecution to hard-fought disputes within a patent office. Our practice encompasses strategic counseling, diligence, prosecution and opinions. We also are lead counsel on multiple patent office disputes, including interferences, inter partes reviews, oppositions, reexaminations, and CBMs.

Our Patent Office practice includes recognized leaders in the field and skilled junior members with extensive technical and prosecution experience. Our work includes:

  • prosecuting and overseeing extensive portfolios for Fortune 500 companies such as Roche and Monsanto;
  • arguing multiple ex parte appeal matters before the United States Patent and Trademark Office;
  • arguing in multiple European Oppositions Proceedings;
  • developing patent portfolios for small public and private companies such as Bruin Biometrics, New Health Sciences, Inc., and Crestova LLC; and
  • serving as lead counsel on Patent Office disputes for companies such as AstraZeneca, Boston Scientific, GE, Honeywell, and Samsung.

Our patent practitioners have deep technical experience in:

  • Agricultural and food sciences
  • Biotechnology
  • Chemistry
  • Clean technologies
  • Communications
  • Computer hardware and software
  • Consumer products
  • Electronics
  • Internet technology
  • Materials science
  • Medical equipment
  • Microfluidics
  • Nanotechnology
  • Pharmaceuticals


Lit Alerts—December 2018
A Publication of the Litigation Practice Group
Multiple IPR Petitions For Same Claim Are Often Not Repetitive
Intellectual Property Law360
Lit Alerts—May 2018
A Publication of the Litigation Practice Group
Reducing the Phantom Menace: Strategies for Protecting and Using Adaptable Marks (pdf)
World Trademark Review
IP News
IP Strategist


The Legal 500 US
Patents: Prosecution (2014-2017)
Managing Intellectual Property
Eleven Arnold & Porter practice areas were recommended and thirteen of the firm's attorneys were listed as "IP Stars" in the magazine's 2016 survey report focusing on the "leading" intellectual property attorneys in the United States and the UK. The named IP Stars were Michael Berta, James DiBoise, Louis Ederer, Robert Garrett, Susan Hendrickson, Roberta Horton, Ronald Johnston, Matthew Maccoby, Thomas Magnani, David Marsh, Jennifer Sklenar, and Matthew Wolf (2016). Arnold & Porter attorneys and practice areas received the same recognition in Managing IP's 2014 and 2015 survey reports.

Copyright Firm of the Year - South (US) (2015).
IAM Patent 1000
Recommended for Prosecution (2012)

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