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Westerman Hattori Daniels & Adrian LLP Employee Directory

Legal ServicesDistrict of Columbia, United States11-50 Employees

Westerman Hattori Daniels & Adrian LLP is a small- to mid-sized intellectual property law firm based in Washington, DC. It provides a full range of patent services, supported by lawyers with technical backgrounds in mechanical, electrical, optical, chemical, pharmaceutical, metallurgical, and biotechnical disciplines. The firm handles litigation in District Courts and the ITC, and offers services including interferences, reexaminations, licensing, counseling, patentability and validity analyses, infringement opinions, as well as patent preparation and prosecution. This combination positions WHDA as a focused practitioner in the patent law and IP counsel space within the broader legal services market. 

Its client base includes organizations seeking patent protection, enforcement, and related guidance, served from its Washington, DC office. The firm has been recognized in industry rankings, ranking among the top 25 patent firms in the United States in IP Today's 2011 report, and in 2023 was identified as top 10 in quality for Art Unit 3700 by Patent Bots.

Find Westerman Hattori Daniels & Adrian LLP employees' phone numbers or email addresses

Westerman Hattori Daniels & Adrian LLP Global Highlights

Location
Employees

North America
50

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  • United States Of America
    50

Asia
1

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  • Japan
    1

Westerman Hattori Daniels & Adrian LLP's Leadership

  • Stylized image of a person
    J. W.
    President
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  • Stylized image of a person
    A. X.
    Co-Managing Partner
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  • Stylized image of a person
    R. C.
    Partner
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  • Stylized image of a person
    E. W.
    Staff Accountant
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  • Stylized image of a person
    K. I. H.
    Phone icon

Westerman Hattori Daniels & Adrian LLP Employee Metrics

100%
50%
0%
2026
2025
  • Legal
  • Support
  • Accounting
  • Community & Social Services
  • Human Resources
  • Other

Contact profiles from Westerman Hattori Daniels & Adrian LLP

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    A. X.
    Co-Managing Partner
    Phone icon
    Oct 22, 2024
  • Stylized image of a person
    J. W.
    President
    Phone icon
    Oct 17, 2024
  • Stylized image of a person
    R. C.
    Partner
    Phone icon
    Oct 21, 2024
  • Stylized image of a person
    E. W.
    Staff Accountant
    Phone icon
    Apr 16, 2026
  • Stylized image of a person
    K. I. H.
    Phone icon
    Mar 06, 2026

Frequently Asked Questions

What is Westerman Hattori Daniels & Adrian LLP known for?

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Westerman Hattori Daniels & Adrian LLP was founded in 2003 operates in the Legal Services industry; you can contact the main corporate office by phone at . Explore Westerman Hattori Daniels & Adrian LLP's company overview page for more information.

What is Westerman Hattori Daniels & Adrian LLP's most common email format?

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Westerman Hattori Daniels & Adrian LLP employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Westerman Hattori Daniels & Adrian LLP email formats with LeadIQ.

How many employees does Westerman Hattori Daniels & Adrian LLP have currently?

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Westerman Hattori Daniels & Adrian LLP has approximately 29 employees as of July 2026. These team members are located across 2 continents, including North AmericaAsia.

Who are Westerman Hattori Daniels & Adrian LLP's key employees and leadership?

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As of July 2026, Westerman Hattori Daniels & Adrian LLP's key employees include:

  • President: J. W.
  • Co-Managing Partner: A. X.
  • Partner: R. C.
  • Staff Accountant: E. W.
  • : K. I. H.

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