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Our Firm
Expertise
Legal Team
Locations
News & Resources
Contact Us
Home
Our Firm
Expertise
Corporate & Business Development
Energy & Natural Resources
Estate Planning
Immigration Services
Intellectual Property
Labor & Employment
Real Estate
Tax
Legal Team
Locations
Dallas-Fort Worth
Denver
Houston
San Antonio
Sheridan
News & Resources
Contact Us
Make a Payment
Gender:
U.S. Patent & Trademark Office
Erik J. Osterrieder
Senior Attorney
William C. ‘Trey’ Yarbrough
Director, Shareholder