Atty. David E. Warden
David E. Warden is an internationally recognized expert in business litigation and arbitration, including patents and other intellectual property.
Litigation Intellectual Property & More Attorney · Serving Houston, TX
Profile Summary
About David E. Warden at a Glance
David E. Warden is a ip attorney based in Houston, Texas, practicing at Ahmad, Zavitsanos & Mensing. Admitted to practice in Texas, State Bar of Texas. Educated at Rice University (Ph.D., 2019) and University of Virginia (J.D., 1981). Recognitions include Best Lawyers in America — Litigation - Intellectual Property (2026), Best Lawyers in America — Patent Law (2026), and Best Lawyers in America — Additional Areas of Practice: (2026). Serves clients in Houston, TX and the surrounding metropolitan area.
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About David E. Warden
- David E. Warden is an internationally recognized expert in business litigation and arbitration, including patents and other intellectual property
- He is a lawyer, arbitrator, engineer, adjunct professor, published author, and businessman
- Mr. Warden has tried many healthcare, energy, securities, and intellectual property business lawsuits for individual clients and entities, as well as mass actions and class actions, and is licensed as a patent attorney before the U.S
- Patent & Trademark Office
- He was a founding partner of his former firm Yetter Warden & Coleman LLP, and prior to that was a partner at Baker Botts LLP. Mr. Warden also has been appointed by federal courts as a special master and mediator in patent litigation, has served as an arbitrator in ICC and ad hoc arbitrations, and has served as class counsel in major class action cases
- He has been Board Certified in Civil Trial Law since 1989 by the Texas Board of Legal Specialization
- He has arbitrated cases under the auspices of ICC International Court of Arbitration (Paris) and American Arbitration Association (New York), and has conducted ad hoc arbitrations, both as counsel and as an arbitrator
- Mr. Warden is licensed to practice law in all Texas state courts, the U.S
- District Courts in Texas, the 5th U.S
- Circuit Court of Appeals, the federal Circuit Court of Appeals and the U.S
- Supreme Court
- He has been on the list of Texas Super Lawyers since 2003
- He has been recognized by attorneys across the United States as one of the Best Lawyers in America from 2015 – 2025
- He earned his law degree from the University of Virginia and bachelor’s and master’s degrees in engineering from Purdue University
- Before attending law school, Mr. Warden was an engineer and district production engineering supervisor for Exxon Company USA
- He has been an adjunct professor in both engineering and economics at Rice University since 2006
- He earned a Ph.D. in Mechanical Engineering from Rice University in 2019, focused on novel high energy radiation shielding applications
- He speaks basic French, and is an instrument-rated pilot and a certified scuba diver
- Mr. Warden’s business activities include serving as vice president-corporate development for Excalibur Almaz U.S.A. from 2009 to 2011, and has been for over 15-years associated with various commercial space enterprises, including as founder and CEO of Black Moon Energy for the last two years
- He was on the board of directors for Encore Bancshares Inc. and chaired its audit committee for seven years
- He also served on the board of directors for InNexus Biotechnology Inc
- Industry Forum Lead, National Space Biomedical Research Institute
- Chinese Community Center
- and Board of Trustees for the Awty International School
Practice Areas Explained
David E. Warden's Areas of Legal Practice
Each practice area below reflects the types of cases David E. Warden handles, with a practical overview of what that area of law involves and how it may apply to your situation in Houston.
Intellectual Property in Houston
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
David E. Warden is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Texas →
Jurisdictional Context
Why Local Counsel Matters in Houston
Practicing law in Texas. Legal matters in Texas are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Houston are typically filed in the local municipal court or the appropriate Texas state district court, depending on subject matter and amount in controversy. An attorney licensed in Texas brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Texas courts without local counsel or pro hac vice admission.
Houston Courts and Legal Process
Choosing a Houston-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Texas attorneys? Browse all attorneys in Houston or all attorneys in Texas.
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Professional Profile
Why Clients in Houston Choose David E. Warden
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish David E. Warden's practice in the field of ip.
Focused IP Practice
Concentrating on ip means David E. Warden's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
Local Presence in Houston
A Houston-based practice means David E. Warden attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues David E. Warden Handles in Houston
Below is a representative sample of the types of matters David E. Warden has experience with under Texas law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact David E. Warden directly to discuss the specifics of your situation.
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How People Find David E. Warden Online
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David E. Warden's Practice Areas & Specializations
Education & Law School Background
Awards & Professional Honors
Bar Admissions & Licensed Jurisdictions
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