Areas of Practice

Focused Expertise. Comprehensive Protection.

We practice intellectual property law exclusively — bringing depth of knowledge and decades of experience to every matter we handle.

Intellectual Property

Patent, Trademark & Copyright Law

The firm practices intellectual property law including patent, trademark, and copyright counseling, prosecution, litigation, and licensing. Patent and trademark services include patentability opinions, trademark availability opinions, infringement opinions, and validity opinions.

Whether you are an individual inventor seeking your first patent or a company managing a growing IP portfolio, we provide the strategic counsel and technical rigor your matter demands. We work with clients across industries — from manufacturing and technology to consumer products and creative arts.

Patent and intellectual property documents
  • Patent counseling, prosecution & litigation
  • Trademark counseling, prosecution & licensing
  • Copyright counseling & registration
  • Patentability opinions
  • Trademark availability opinions
  • Infringement opinions
  • Validity opinions
  • IP licensing & portfolio strategy
Business contract negotiation and documents
  • Master service agreement preparation & negotiation
  • Joint development agreements
  • Unfair competition & trade secret law
  • Computer software licensing
  • Development & maintenance agreements
  • Employment & independent contractor agreements
  • Confidentiality & nondisclosure agreements
  • Covenants not to compete
  • Copyright & IP business agreements

Related Services

Business & Transactional Law

The firm also counsels in business and transactional law, master service agreement preparation and negotiation, joint development agreements, unfair competition and trade secret law, computer software licensing, development and maintenance agreements, employment and independent contractor agreements, confidentiality and nondisclosure agreements, covenants not to compete, copyright agreements, and intellectual property business agreements.

These services complement our core IP practice, allowing us to serve as comprehensive counsel for clients whose legal needs span both intellectual property protection and the business agreements that govern how that IP is developed, shared, and commercialized.

Not Sure Where Your Matter Fits?

IP law intersects with business, technology, and creative work in complex ways. Call us — we'll help you understand your options and chart the right course.

David M. O'Brian, P.C.

DMO Law

Boutique intellectual property counsel serving inventors, entrepreneurs, and businesses in Houston and beyond.

Contact

281-345-2833

Fax: 281-345-2844

dmo@dmolaw.com

5007 Hartwell Drive
Houston, Texas 77084

© 2026 David M. O'Brian, P.C. All rights reserved.

NOT CERTIFIED BY THE TEXAS BOARD OF LEGAL SPECIALIZATION.