Atty. Warner Joseph Delaune
Through Warner's representation of both large and small companies, he has written and prosecuted numerous patent applications across a wide range of technologies, including medical and biomechanical devices, cancer diagnostic methods, sporting goods, firearms, watercraft, computer networking, wastewater treatment, recycling processes, metal cleaning and coating, electromechanical control systems, oil and gas extraction, coastal erosion mitigation systems, and manufacturing equipment. Warner has extensive experience in the management of international patent portfolios and the development of lic
Profile Summary
About Warner Joseph Delaune at a glance
Warner Joseph Delaune is a trademark, ip, and internet attorney based in Baton Rouge, Louisiana, practicing at Phelps Dunbar LLP. Admitted to practice in Louisiana, Louisiana State Bar Association. Educated at Louisiana State University (J.D., 1991). Recognitions include Best Lawyers in America — Patent Law (2026), Best Lawyers in America — Technology Law (2026), and Best Lawyers in America — Trademark Law (2026). Serands clients in Baton Rouge, LA and the surrounding metropolitan area.
Want to Get Service From This Attorney?
Sign up free and choose one of the two methods below.
Have a legal question? Sign up free, submit it through the Ask the Attorney module and receive a focused answer from a specialist.
- Free to ask a question
- Answers from specialist attorneys
- Optional private / anonymous question
Request an online video meeting or an in-person consultation at the attorney's office. Pick a time that works for you and share the details securely.
- Online video meeting
- In-person at the attorney's office
- Secure messaging and payment
About
- Through Warner's representation of both large and small companies, he has written and prosecuted numerous patent applications across a wide range of technologies, including medical and biomechanical devices, cancer diagnostic methods, sporting goods, firearms, watercraft, computer networking, wastewater treatment, recycling processes, metal cleaning and coating, electromechanical control systems, oil and gas extraction, coastal erosion mitigation systems, and manufacturing equipment
- Warner has extensive experience in the management of international patent portfolios and the development of licensing strategies for many clients
- He is a registered patent attorney licensed to practice before the United States Patent and Trademark Office (USPTO) in patent cases
- Warner also has extensive experience in evaluating patents and providing opinions regarding clearance or freedom-to-operate, validity and invalidity, reverse engineering and design-around efforts, patentability, re-examinations and non-infringement
- Warner also counsels clients in transactional matters involving intellectual property, including license agreements, joint ventures, mergers and acquisitions, and other technology transfers, and he conducts due diligence searches in connection with such transactions
- In addition, he handles intellectual property litigation matters in both federal and state court, and adversarial proceedings within the USPTO, including post-grant patent reviews, inter partes patent reviews, trademark oppositions and trademark cancellations
- Mr. Delaune received his undergraduate degree from Louisiana State University in mechanical engineering, and he was employed with Texas Instruments, Inc., in the Defense Systems and Electronics Group, where he designed infrared systems for use on military vehicles
- He also participated in flight testing of those systems on both fixed wing aircraft and helicopters
Practice Areas Explained
Warner Joseph Delaune's Areas of Practice
Each practice area below reflects the types of cases Warner Joseph Delaune handles, with a brief overview of what that area of law covers.
Warner Joseph Delaune is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Louisiana →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Warner Joseph Delaune is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Louisiana →
Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.
Warner Joseph Delaune is one of 17,958 internet attorneys indexed nationally. Browse internet attorneys in Louisiana →
Jurisdictional Context
Why local counsel matters in Louisiana
Practicing law in Louisiana. Legal matters in Louisiana are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Baton Rouge are typically filed in the local municipal court or the appropriate Louisiana state district court, depending on subject matter and amount in controversy. An attorney licensed in Louisiana brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Louisiana courts without local counsel or pro hac vice admission.
Looking for additional Louisiana attorneys? Browse all attorneys in Baton Rouge or all attorneys in Louisiana.
Frequently Asked
Common questions about Warner Joseph Delaune
Where is Warner Joseph Delaune's law office located?
What practice areas does Warner Joseph Delaune handle?
Where did Warner Joseph Delaune go to law school?
How can I contact Warner Joseph Delaune for a consultation?
What awards or recognition has Warner Joseph Delaune received?
Practice Areas
Education
Awards
Bar Admissions
Reviews
No reviews yet.