James Clessuras

Wilson Sonsini Goodrich & Rosati PC

James G. Clessuras is co-leader of the technology transactions department at Wilson Sonsini Goodrich & Rosati and is a partner in the firm’s Washington, D.C., office. Jamie focuses on business transactions driven by the use or acquisition of technology and intellectual property rights.

He has helped clients structure and negotiate a variety of complex transactions, including joint ventures, strategic alliances, technology licenses, and patent-purchase agreements, as well as product research, development, manufacturing, supply, and distribution relationships. In government contracting, he has particular expertise with government regulations and contract clauses regarding technical data, computer software, and patents.

He also works closely with the firm’s corporate attorneys on all intellectual property aspects of mergers, acquisitions, and venture capital investments. Jamie represents both public and private clients in a variety of technology industries, including information technology, semiconductors, and life sciences.


  • J.D., Northwestern University School of Law, 1997
  • B.S., Mechanical Engineering, Northwestern University, 1992


  • Bar of the District of Columbia
  • State Bar of California
  • State Bar of Illinois
  • U.S. Patent and Trademark Office


Rate : $$$

What types of cases Attorney James Clessuras & Wilson Sonsini Goodrich & Rosati PC can handle?
Wilson Sonsini Goodrich & Rosati PC can handle cases related to laws concerning Mergers & Acquisitions, Venture capital, Intellectual Property. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Wilson Sonsini Goodrich & Rosati PC located?
Wilson Sonsini Goodrich & Rosati PC is located at 1700 K St NW, Washington, DC 20006, USA. You can reach out to Wilson Sonsini Goodrich & Rosati PC using their phone line 202-973-8830. You can also check their website wsgr.com  or email them at [email protected].
How much would it cost to hire Wilson Sonsini Goodrich & Rosati PC?
James Clessuras 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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Wilson Sonsini Goodrich & Rosati PC
1700 K St NW, Washington, DC 20006, USA
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