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Haynes and Boone

Mark Tidwell

Mark Tidwell



  • Copyright
  • Domain Name Disputes
  • Energy Power and Natural Resources
  • Intellectual Property

WSG Practice Industries


Haynes and Boone
Texas, U.S.A.

WSG Leadership

Patent Law Workshop Group
Mark A. Tidwell is a partner in the Intellectual Property Practice Group in the Houston office. He focuses his practice on prosecution, acquisition, licensing, divestiture and enforcement of patent rights, trademark rights, trade secrets and copyrights. Mark has filed and prosecuted hundreds of patent, trademark and copyright applications. He was honored in Intellectual Asset Magazine's Patent 1000: The World's Leading Patent Practitioners, Globe White Page Ltd, 2014, 2016-2019 for patent prosecution and IP transaction work. Mark often guest lectures at the Texas A&M Mays School of Business on Intellectual Property.

Representative Experience

Technical Focus:

Mark has experience in oil field exploration and production tools and equipment, power generation systems, medical and biomedical devices, nanotechnology, engines, data communications, heat transfer equipment, computer software and business methods, fuel cells and renewable energy systems, agricultural equipment, sports equipment, safety and security equipment, food preparation equipment, ultrasound equipment, seismic equipment, and ornamental designs, as well as other mechanical, electro-mechanical and chemical-mechanical devices.

Intellectual Property Transactions:

His intellectual property transactions experience includes technology development and distribution agreements, marketing agreements, software and hardware agreements, outsourcing agreements, IT services agreements, branding/private labeling agreements, IP license agreements, IP assignments and transfer agreements, Internet agreements (Access, Terms of Use, Privacy Policy, Linking Agreements, Hosting Agreements, E-commerce Agreements, Web Site Development), stadium naming rights agreements, sponsorship agreements, intellectual property and software escrow agreements, employee confidentiality and assignment agreements, and confidentiality agreements. Mark also handles intellectual property due diligence for mergers, acquisitions, technology transfers and other corporate transactions. He has expertise in U.S. Dept. of Energy Acquisition Regulations and Federal Acquisition Regulations.

Intellectual Property Prosecution/Protection:

Mark's intellectual property prosecution and protection experience includes the management of domestic and foreign patent and trademark portfolios based on a strategy for maximizing his clients' key intellectual property and technology assets.

Patents - Preparation and prosecution of domestic and foreign patent applications, reissue applications, infringement opinions, patentability opinions, clearance opinions, validity opinions, interferences, and appeals to the Board of Patent Appeals.
Trademarks - Trademark selection, development, licensing and protection, preparation of domestic and foreign trademark, service mark, trade dress and product configuration applications, trademark registration oppositions and cancellations, and trademark clearance opinions.
Copyrights, Trade Secrets and Internet - Intellectual property rights counseling and assessment of Internet web sites and businesses, including Digital Millennium Copyright Act compliance, copyright of web site materials, web site use of third party materials, web hosting, patenting Internet technology, software and methods/processes, issues relating to trademark infringement and dilution over the Internet as well as disparaging and knock-off sites, meta-tag and other index use issues, and linking issues.

Intellectual Property Litigation:

Mark's intellectual property litigation experience includes complex patent litigation involving patent infringement, patent invalidity, and technical aspects of patent prosecution procedures. He also handles trademark infringement, unfair competition, copyright infringement and breach of contract involving intellectual property. His technical background and experience in filing and prosecuting hundreds of patent, trademark and copyright applications provides his clients with a significant advantage in intellectual property litigation disputes.

Industry Experience:

Mark was formerly employed as a research and development engineer designing downhole oil field tools for Western Atlas International, Inc. in Houston, Texas. In addition to his law degree, Mark holds a B.S. in mechanical engineering.

Bar Admissions

Texas, 1993
Wisconsin, 1994


J.D., South Texas College of Law Houston, 1993
B.S., Mechanical Engineering, Texas A&M University, 1989

Areas of Practice

Copyright | Domain Name Disputes | Energy Power and Natural Resources | Intellectual Property | Intellectual Property Litigation | Mechanical | Oil and Gas | Oilfield Services | Outsourcing Transactions | Patent Office Trials | Patent Prosecution and Counseling | Technology Mergers and Acquisitions | Technology Transactions | Trademark Prosecution | Trademarks | Trademarks Advertising and Brand Management

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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