Adduci Mastriani & Schaumberg

United States (National)

Head Office Address:
1133 Connecticut Ave NW
DC 20036
United States

Tel:+1 202-467-6300
Fax:+1 202-466-2006

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Quick facts:

Established: 1981
Number of Partners: 11
Number of IP Practitioners: 18
Languages: Spanish, German, French, Dutch, Russian, Hindi

For 40 years, Adduci, Mastriani & Schaumberg LLP has provided thorough, expert counsel to meet clients' unique legal needs in international trade, customs, intellectual property and federal court litigation and appeals.

We listen to clients, offer realistic legal evaluations and together develop strategies and solutions that advance their business requirements within budget. We also work closely with collaborating law firms to provide the maximum level of expertise available. Consequently, our practice continues to grow through referrals and additional work from existing clients.

Small teams of experienced partners and associates work closely with clients to give exceptional personal attention. Partners are involved with every case, personally and promptly responding to client inquiries and continually apprising them of important developments. Our support staff is highly experienced and ensures that clients receive immediate, quality service. We have developed an impressive record of resolving cases efficiently and cost-effectively. 

AMS has experience with the following practices: Section 337, trade law remedies, customs, international trade policy and enforcement.


Last updated 21st December 2020

Practice Areas: ITC litigation, Patent, Trade mark

Sector Expertise: Aerospace, Automotive, Biotechnology, Computer technology & services, Construction & materials, Chemical, Electrical, Electronics, Fashion & luxury goods, Food & beverage, Life sciences, Manufacturing, Medical device, Mining, Optics & photonics, Robotics, Renewable energy, Telecommunication, Technology hardware, Semiconductors, Universities & research, Professional services, Pharmaceutical, Retail, Industrials, E-commerce, Defence


Members of the firm are members of:

  • American Association of Exporters and Importers
  • American Bar Association
  • American Intellectual Property Law Association
  • California State Bar Association
  • Customs and International Trade Bar Association
  • Customs Lawyers Association
  • District of Columbia Bar 
  • Federal Circuit Advisory Council
  • Federal Circuit Bar Association
  • Giles S. Rich American Inn of Court 
  • Institution of Electrical and Electronics Engineers 
  • International Trademark Association
  • ITC Trial Lawyers Association
  • New York State Bar Association
  • Pennsylvania Bar Association
  • South Asian Bar Association
  • Trade Policy Forum
  • Virginia State Bar Association
  • Washington International Trade Association
  • The Association of Women in International Trade
  • US Court of International Trade
  • Texas State Bar Association
  • US District Court - Northern District of New York