Adduci, Mastriani & Schaumberg LLP

International Trade Attorneys

Committed to Providing Excellence
Adduci, Mastriani & Schaumberg, L.L.P. provides thorough, expert counsel to meet clients' unique legal needs in the fields of international trade, intellectual property litigation and customs transactions. The firm’s attorneys are committed to providing excellence by listening to clients, offering realistic legal evaluations and rapidly developing strategies at a reasonable cost. Established thirty years ago in Washington, D.C., Adduci, Mastriani & Schaumberg, L.L.P. is recognized as a leader in the field of Section 337 litigation before the U.S. International Trade Commission.


Ten Years of Mediation at the U.S. Court of International Trade (December, 2014)

William C. Sjoberg to speak at the 18th Judicial Conference of the U.S. Court of International Trade

Section 337: Trademarks and the ITC (October, 2014)

Evan Langdon and Asha Allam participated in the Howard University School of Law's Trademark Clinic.

Adduci, Mastriani & Schaumberg a Boutique Giving Big Firms a Run for Their Money (September, 2014)

On September 30, 2014, Law360 named Adduci, Mastriani & Schaumberg one of the 10 boutique firms that are particularly attractive to clients.

Trade Secrets: The New Best Choice for IP Protection (October, 2014)

Tom M. Schaumberg will participate in an AIPLA webinar on trade secret protection on October 1, 2014.

“Adduci is literally in a class by itself…”
– International Savoir Faire, ITC Survey, IP Law & Business


“This well-established boutique contains the best-known team for Section 337 cases...”
– 2008 Chambers USA Guide


“The lawyers are receptive to working with you on a budget and talking about the expectations on both sides.”
– Client interview from 2010 Chambers USA
Chambers Top Ranked
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1133 Connecticut Avenue, NW | Washington, DC 20036 | Tel: 202-467-6300 | Fax: 202-466-2006 map it

© 2014 Adduci, Mastriani & Schaumberg, LLP