Department profile
Haynes and Boone, LLP

Intellectual Property: Patent Prosecution

USA Guide 2026 : California


Haynes and Boone, LLP

Rankings

About

Provided by Haynes and Boone, LLP

With over 120 Intellectual Property litigators & transactional lawyers across the United States & one of the largest IP practices in Texas, we help protect, enforce & defend our clients’ inventions, innovations & brands. Our clients include entrepreneurs, middle-market businesses & many of the world’s largest companies, such as AT&T, Cisco, Google, PayPal, Qualcomm, & TSMC.

With extensive experience in virtually every aspect of IP, we serve clients primarily in the areas of:

  • Patents, including prosecution and counseling
  • Post-Grant Proceedings, including
    inter partes review
  • IP litigation
  • Trademarks, including Internet
    domain protection
  • Copyrights
  • Technology transactions
  • Social media
  • Advertising, marketing and promotional law
  • Privacy and data security
  • Precision medicine and digital health
  • Medical device
  • AI and deep learning

Our team encompasses patent & trademark lawyers, as well as trial lawyers who handle cases in federal courts & before the U.S. Patent and Trademark Office.

Haynes Boone ranked as one of the top 10 law firms filing IPRs on behalf of the petitioner. (Lex Machina, 2021)

Our trademark lawyers handle brand management, including worldwide clearance and filing initiatives, enforcement in court, social media counseling, advertising review, & cybersquatting & Internet issues. We actively manage a trademark docket of well over 13,500 applications & registrations in more than 180 jurisdictions, & we have filed over 19,000 patent applications in the past 5 years.

Chambers Review

Provided by Chambers

Intellectual Property: Patent Prosecution - California

Band 3

Band 3


What the Team is Known For

Haynes and Boone is a respected group with notable experience advising on patent portfolio management, prosecution and related transactions, as well as IPRs. The firm boasts an enviable client base, including a number of household name tech-sector companies.

Work Highlights

Provided by Chambers

  • Haynes and Boone continued to advise PayPal on global patent strategy, filing decisions and continuation practice.

Strengths

Provided by Chambers

  • The Haynes and Boone team communicates like clockwork, virtually 24/7. They are reliable, predictable, responsive and always follow up.

    Intellectual Property: Patent Prosecution respondentUSA
  • I have entrusted Haynes and Boone with the most complex problems. They take our input and augment it with a comprehensive, superior strategy.

    Intellectual Property: Patent Prosecution respondentUSA
  • The team at Haynes and Boone is extremely responsive and provides excellent service levels.

    Intellectual Property: Patent Prosecution respondentUSA
  • Haynes and Boone provides meaningful and insightful feedback on every issue that arises.

    Intellectual Property: Patent Prosecution respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 4Tom Chen
    Band 4Tom Chen

    Tom Chen

    Tom Chen's prosecution practice focuses on portfolio strategy development

    and implementation, management and evaluation. His client base spans artificial intelligence, fintech, manufacturing and fitness companies.

    • Tom Chen stands out for his combination of technical depth and commercial acumen. Beyond being a highly skilled legal strategist, he demonstrates a strong ability to connect legal solutions with business objectives.

      Intellectual Property: Patent Prosecution respondentUSA

Ranked Individuals at Haynes and Boone, LLP (1)

California

Members

Provided by Haynes and Boone, LLP

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