Westerman Hattori

Name

Westerman Hattori

Website

https://whda.com

Company type

Private

Founded year

2003

Headcount range

51–100 employees

Short description

Westerman Hattori is a privately held U.S. law firm based in Fairfax, Virginia, founded in 2003, that specializes in intellectual property rights, IP litigation, trademark mediation, and IP counseling for clients requiring patent and brand protection services.

Ownership category

akta.pro rank

Headquarters

HQ city

Washington

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure, Others

Core offering

Westerman Hattori is a law firm that specializes in intellectual property rights, litigation, trademark mediation, and counseling services. The firm provides legal expertise to clients seeking protection, enforcement, and resolution of IP-related matters. Founded in 2003 and based in Fairfax, United States, the firm serves a mid-sized team of legal professionals.

Differentiator

Problem solved

Functional benefit

Products and services

• Intellectual Property Rights Services Legal services covering the protection, registration, and enforcement of intellectual property rights, including patents, trademarks, copyrights, and trade secrets, for corporate and organizational clients.
• Intellectual Property Litigation Representation of clients in intellectual property disputes in court, including patent infringement, trademark infringement, and related adversarial proceedings.
• Trademark Mediation Mediation and dispute resolution services for trademark conflicts, including opposition proceedings, cancellation actions, and settlement negotiations.
• IP Counseling Services Strategic legal counseling on IP portfolio management, licensing, infringement risk assessment, and IP-related transactions for businesses.

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• MicrosoftunclearTechnology or IntegrationThe company website utilizes Microsoft Internet Information Services 8 (IIS 8) and Microsoft Windows Server as its web hosting infrastructure, as evidenced by the website footer/branding. The relationship appears to be a technology vendor arrangement for web server infrastructure rather than a formal partnership.

Direct peers

• Finnegan: Finnegan is one of the largest dedicated IP law firms in the U.S., headquartered near Washington, D.C. It is directly comparable to Westerman Hattori because it competes for the same patent prosecution, IP litigation, and trademark counseling work for technology and life sciences clients.
• Fish & Richardson: Fish & Richardson is a leading national IP boutique with a strong patent litigation and prosecution practice. It competes head-to-head with Westerman Hattori for IP work from tech and life sciences clients and represents the larger end of the IP boutique scale.
• Sterne, Kessler, Goldstein & Fox: Sterne Kessler is a Washington, D.C.-area IP boutique focused on patent prosecution, litigation, and post-grant proceedings. It is directly comparable because of overlapping patent and trademark practices and similar geographic focus near the USPTO.
• Knobbe Martens: Knobbe Martens is a large IP-focused firm with deep patent prosecution and litigation capabilities. It is comparable to Westerman Hattori because both compete for technology-driven IP work and offer full-spectrum IP services to tech and life sciences clients.
• Banner & Witcoff: Banner & Witcoff is a long-standing IP boutique specializing in patent prosecution, litigation, and trademark matters. It competes directly with Westerman Hattori in patent and trademark prosecution, IP litigation, and counseling for technology clients.
• Oblon: Oblon is a mid-sized IP and technology firm based near Washington, D.C., focused on patent prosecution, litigation, and post-grant proceedings. It is comparable in scale and geographic positioning to Westerman Hattori and serves overlapping client segments.

Emerging players

• Harrity & Harrity: Harrity & Harrity is a patent prosecution-focused firm known for efficiency-oriented patent drafting and a tech-sector focus. It is comparable as a more specialized, tech-oriented IP firm overlapping with Westerman Hattori's patent prosecution practice, though it is more concentrated on drafting volume.

Broad incumbents

• Foley & Lardner: Foley & Lardner is a full-service national law firm with a substantial IP practice alongside corporate, litigation, and regulatory work. It competes for the same tech and life sciences IP clients as Westerman Hattori but as part of a much broader service portfolio.
• Cooley LLP: Cooley is a national full-service firm with a major IP and technology transactions practice that serves venture-backed and public technology and life sciences companies. It is comparable because it draws on the same client base Westerman Hattori serves, though it competes across many practice areas simultaneously.
• McDermott Will & Emery: McDermott Will & Emery is a global full-service firm with a strong IP litigation and prosecution practice for life sciences and technology clients. It competes for the same sophisticated IP work as Westerman Hattori but bundles it with broad corporate, regulatory, and litigation capabilities.

Market position

Customer concentration

• Xx.com/whda_iplaw

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Westerman Hattori