David Mattern

King & Spalding LLP

David P. Mattern is an associate with the Contracts and Business Torts practice group in Washington, D.C. His practice focuses on complex litigation and intellectual property matters.

He has represented clients at the trial and appellate levels and before the Department of Justice. He has drafted briefs and motions on subjects including the Copyright Act, the Lanham Act, the False Claims Act and licensing for standard-essential patents.

David recently participated in the merits-stage representation of an individual challenging his criminal conviction before the Supreme Court of the U.S. In addition, he represents veterans in connection with appeals to their disability determinations.

David graduated from Columbia Law School in 2013, where he was a James Kent scholar, the Director of the Harlan Fiske Stone Honors Moot Court Competition, and the Head Articles Editor of The Columbia Journal of European Law.


  • J.D., Columbia University School of Law
  • B.A., Case Western Reserve University


  • District of Columbia
  • New York


Rate : $$$

What types of cases Attorney David Mattern & King & Spalding LLP can handle?
King & Spalding LLP can handle cases related to laws concerning Health Care, Intellectual Property, Trademark infringement. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is King & Spalding LLP located?
King & Spalding LLP is located at 1700 Pennsylvania Ave NW #200, Washington, DC 20006, USA. You can reach out to King & Spalding LLP using their phone line +1 202 626 2946. You can also check their website kslaw.com or email them at [email protected].
How much would it cost to hire King & Spalding LLP?
David Mattern 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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King & Spalding LLP
Pennsylvania Avenue Northwest 1700
Washington 20006 DC US
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