Atty. Keith B. Willhelm

Atty. Keith B. Willhelm

Mr. Keith B.

Houston Houston 26 yrs experience 26 year
Call (832) 604-4595 Book Appointment

Intellectual Property & More Attorney · Serving Houston, TX · 26+ Years Experience

Profile Summary

About Keith B. Willhelm at a Glance

Keith B. Willhelm is a Member based in Houston, Texas, practicing at Keith B. Willhelm. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on patent, trademark, ip, and litigation. Admitted to practice in Texas Federal Circuit Court of Appeals Illinois Northern District Court Texas Southern District/Bank (2000). Educated at John Marshall Law School (LL.M. Marshall, 1989) and College of William and Mary (B.S., 1978). Recognitions include BV Distinguished. Active member of Houston, Federal Circuit and American Bar Associations State Bar of Texas Intellectual Property Law Association of Chicago NITA Advocates Association American Intellectual Property Law Association Houston Intellectual Property Law Association. Serves clients in Houston, TX and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Keith B. Willhelm

  • Mr. Keith B. Willhelm is a lawyer practicing intellectual property, litigation, patent prosecution and 2 other areas of law
  • Keith received a B.S. degree from College of William and Mary in 1978, and has been licensed for 26 years
  • Keith practices at Keith B. Willhelm in Houston, TX

Practice Areas Explained

Keith B. Willhelm's Areas of Legal Practice

Each practice area below reflects the types of cases Keith B. Willhelm handles, with a practical overview of what that area of law involves and how it may apply to your situation in Houston.

Patent Law in Houston

Keith B. Willhelm is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in Texas →

Trademark Law in Houston

Keith B. Willhelm is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in Texas →

Intellectual Property in Houston

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Keith B. Willhelm is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Texas →

Civil Litigation in Houston

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Keith B. Willhelm is one of 450,751 litigation attorneys indexed nationally. Browse litigation 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.

Frequently Asked

Common Questions About Keith B. Willhelm

Where is Keith B. Willhelm's law office located?
Keith B. Willhelm's law practice is located in Houston, Texas. The firm is Keith B. Willhelm. You can contact the office directly through this profile page.
What practice areas does Keith B. Willhelm handle?
Keith B. Willhelm focuses on patent, trademark, ip, litigation. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Keith B. Willhelm practiced law?
Keith B. Willhelm has 26+ years of legal experience and has been licensed since 2000.
Where did Keith B. Willhelm go to law school?
Keith B. Willhelm earned their education at (LL.M. Marshall, 1989); (B.S., 1978).
How can I contact Keith B. Willhelm for a consultation?
You can contact Keith B. Willhelm directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Keith B. Willhelm received?
Keith B. Willhelm's notable recognition includes: BV Distinguished.

Professional Profile

Why Clients in Houston Choose Keith B. Willhelm

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 Keith B. Willhelm's practice in the field of patent, trademark, ip, and litigation.

Decade-Tested Legal Experience

Keith B. Willhelm brings 26+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering patent, trademark, and ip, Keith B. Willhelm can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Houston

A Houston-based practice means Keith B. Willhelm 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 Keith B. Willhelm Handles in Houston

Below is a representative sample of the types of matters Keith B. Willhelm 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.

Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact Keith B. Willhelm directly to discuss the specifics of your situation.

Search Reference

How People Find Keith B. Willhelm Online

Prospective clients searching for legal help in Houston commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Keith B. Willhelm.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Keith B. Willhelm directly.

Keith B. Willhelm's Practice Areas & Specializations

Education & Law School Background

LL.M. Marshall
John Marshall Law School
- 1989
B.S.
College of William and Mary
- 1978

Awards & Professional Honors

BV Distinguished

Bar Admissions & Licensed Jurisdictions

Texas Federal Circuit Court of Appeals Illinois Northern District Court Texas Southern District/Bank
Admitted: 2000

Client Reviews & Ratings — Keith B. Willhelm

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