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Adduci, Mastriani & Schaumberg LLP Employee Directory

Law PracticeDistrict of Columbia, United States51-200 Employees

Adduci, Mastriani & Schaumberg LLP is a mid-sized law firm based in Washington, DC. The firm concentrates on international trade law, with a particular emphasis on Section 337 investigations conducted by the U.S. International Trade Commission. Its attorneys have participated in about 30% of ITC Section 337 cases since 1980 and have represented more than 250 parties as either complainants or respondents. Beyond 337 litigation, the practice covers international trade remedies, customs transactions, trade enforcement, and international trade policy. This positioning supports clients facing cross-border commerce and regulatory challenges in the global marketplace.

Find Adduci, Mastriani & Schaumberg LLP employees' phone numbers or email addresses

Adduci, Mastriani & Schaumberg LLP Global Highlights

Location
Employees

North America
25

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  • United States Of America
    25

Asia
1

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  • Indonesia
    1

Adduci, Mastriani & Schaumberg LLP's Leadership

  • Owner at Adduci, Mastriani & Schaumberg LLP
    I. D. S.
    Owner
    Mobile Phone
  • Partner at Adduci, Mastriani & Schaumberg LLP
    A. A.
    Partner
    Mobile Phone
  • Partner at Adduci, Mastriani & Schaumberg LLP
    C. S.
    Partner
    Mobile Phone
  • Partner at Adduci, Mastriani & Schaumberg LLP
    W. W.
    Partner
    Mobile Phone
  • Associate at Adduci, Mastriani & Schaumberg LLP
    J. T.
    Associate
    Mobile Phone
  • Administrative And Legal Secretary at Adduci, Mastriani & Schaumberg LLP
    L. T.
    Administrative And Legal Secretary
    Mobile Phone
  • Attorney at Adduci, Mastriani & Schaumberg LLP
    P. L.
    Attorney
    Mobile Phone
  • Attorney at Adduci, Mastriani & Schaumberg LLP
    S. T.
    Attorney
    Mobile Phone

Adduci, Mastriani & Schaumberg LLP Employee Metrics

100%
50%
0%
2026
2025
  • Business
  • Administrative
  • Human Resources
  • Legal
  • Other
  • Business Development

Contact profiles from Adduci, Mastriani & Schaumberg LLP

Name
Title
Contact
Location
Last Update
  • Owner at Adduci, Mastriani & Schaumberg LLP
    I. D. S.
    Owner
    Mobile Phone
    Indonesia
    Sep 09, 2026
  • Partner at Adduci, Mastriani & Schaumberg LLP
    A. A.
    Partner
    Mobile Phone
    May 01, 2024
  • Partner at Adduci, Mastriani & Schaumberg LLP
    C. S.
    Partner
    Mobile Phone
    Oct 22, 2024
  • Partner at Adduci, Mastriani & Schaumberg LLP
    W. W.
    Partner
    Mobile Phone
    Oct 16, 2024
  • Associate at Adduci, Mastriani & Schaumberg LLP
    J. T.
    Associate
    Mobile Phone
    Oct 23, 2024
  • Administrative And Legal Secretary at Adduci, Mastriani & Schaumberg LLP
    L. T.
    Administrative And Legal Secretary
    Mobile Phone
    Oct 23, 2024
  • Attorney at Adduci, Mastriani & Schaumberg LLP
    P. L.
    Attorney
    Mobile Phone
    Oct 16, 2024
  • Attorney at Adduci, Mastriani & Schaumberg LLP
    S. T.
    Attorney
    Mobile Phone
    Oct 18, 2024

Frequently Asked Questions

What is Adduci, Mastriani & Schaumberg LLP known for?

Minus sign iconPlus sign iconAdduci, Mastriani & Schaumberg LLP was founded in 1981 and operates in the Law Practice industry. Explore Adduci, Mastriani & Schaumberg LLP's company overview page for more information.

What is Adduci, Mastriani & Schaumberg LLP's most common email format?

Minus sign iconPlus sign iconAdduci, Mastriani & Schaumberg LLP employees' email format typically follows the pattern of Last@adduci.com. Trying to find reliable and up-to-date employee contact data? Find more Adduci, Mastriani & Schaumberg LLP email formats with LeadIQ.

How many employees does Adduci, Mastriani & Schaumberg LLP have currently?

Minus sign iconPlus sign iconAdduci, Mastriani & Schaumberg LLP has approximately 51 employees as of July 2026. These team members are located across 2 continents, including North America and Asia.

Who are Adduci, Mastriani & Schaumberg LLP's key employees and leadership?

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As of July 2026, Adduci, Mastriani & Schaumberg LLP's key employees include:

  • Owner: I. D. S.
  • Partner: A. A.
  • Partner: C. S.
  • Partner: W. W.
  • Associate: J. T.

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