Andrew R. Cheslock

Buchanan Ingersoll & Rooney PC

Andrew Cheslock’s intellectual property practice focuses on contentious matters with an emphasis on patent office litigation. He has extensive experience in inter partes review proceedings involving a wide variety of technologies, where his representations have been on behalf of both petitioners and patent owners.

In addition to patent office litigation, Andrew has extensive experience in District Court litigation and investigations at the International Trade Commission (ITC), including hearing experience at the ITC. He also assists clients with patent counseling matters, including patent prosecution and due diligence in support of business deals.

Andrew is particularly skilled at quickly understanding a technology and translating that understanding into legal action. In this regard, his technical background includes familiarity and practical engineering experience with operating systems, compilers and programming languages, embedded systems, microprocessors, logic devices, database management systems and network security.

Andrew is a relentless and professional advocate for the firm’s clients. He is particularly skilled at familiarizing client engineers and business unit managers with legal processes and working collaboratively with them to achieve results, while taking into consideration budgets and other business requirements. Through his representations, he consistently develops excellent working relationships, which have been instrumental in resolving matters for clients.

Andrew also has extensive experience representing foreign clients in contentious U.S. patent matters, with a specific emphasis on clients headquartered in Japan. Through this experience, he has developed a unique insight into business cultures outside the U.S. and an ability to guide such clients through the unique processes of patent litigation in the U.S.


  • University of Florida Levin College of Law, J.D., First in Class
  • University of Florida, M.S., Computer Engineering
  • University of Florida, B.S., magna cum laude, Computer Engineering


  • Florida
  • Washington, D.C.
  • United States Patent and Trademark Office
  • U.S. District Court for the Northern District of Florida
  • U.S. District Court for the Eastern District of Texas
  • U.S. Court of Appeals for the Federal Circuit


Rate : $$$

What types of cases Attorney Andrew R. Cheslock & Buchanan Ingersoll & Rooney PC can handle?
Buchanan Ingersoll & Rooney PC can handle cases related to laws concerning Litigation, Business, Intellectual Property, International Law. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Buchanan Ingersoll & Rooney PC located?
Buchanan Ingersoll & Rooney PC is located at 1737 King St #500, Alexandria, VA 22314, USA. You can reach out to Buchanan Ingersoll & Rooney PC using their phone line 703 838 6523. You can also check their website
How much would it cost to hire Buchanan Ingersoll & Rooney PC?
Andrew R. Cheslock lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Buchanan Ingersoll & Rooney PC
1737 King St #500, Alexandria, VA 22314, USA
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