Atty. John Lewis Hemmer

Atty. John Lewis Hemmer

John Lewis Hemmer is a lawyer practicing patent, intellectual property litigation, technology transactions and 5 other areas of law. John received a B.S. degree from Pennsylvania State University, Schreyer Honors College in 2003, and has been licensed for 20 years.

Houston Houston 20 yrs experience 20 year
Call (571) 596-6362 Book Appointment

Profile Summary

About John Lewis Hemmer at a glance

John Lewis Hemmer is a Partner based in Houston, Texas, practicing at Morgan Lewis Bockius Llp. They have 20+ years of legal experience, licensed to practice since 2006. Their practice focuses on patent, ip, and trade secrets. Admitted to practice in Pennsylvania New Jersey registered to practice before the US Patent, Trademark Office US District Co (2006). Educated at Temple University, Beasley School of Law (J.D., 2006) and Pennsylvania State University, Schreyer Honors College (B.S., 2003). Serands clients in Houston, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Lewis Hemmer is a lawyer practicing patent, intellectual property litigation, technology transactions and 5 other areas of law
  • John received a B.S. degree from Pennsylvania State University, Schreyer Honors College in 2003, and has been licensed for 20 years
  • John practices at Morgan, Lewis & Bockius LLP in Houston, TX

Practice Areas Explained

John Lewis Hemmer's Areas of Practice

Each practice area below reflects the types of cases John Lewis Hemmer handles, with a brief overview of what that area of law covers.

Patent Law

John Lewis Hemmer is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Texas →

Intellectual Property

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

John Lewis Hemmer is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Texas →

Trade Secrets

John Lewis Hemmer is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

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 andnue, 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.

Looking for additional Texas attorneys? Browse all attorneys in Houston or all attorneys in Texas.

Frequently Asked

Common questions about John Lewis Hemmer

Where is John Lewis Hemmer's law office located?
John Lewis Hemmer's law practice is located in Houston, Texas. The firm is Morgan Lewis Bockius Llp. You can contact the office directly through this profile page.
What practice areas does John Lewis Hemmer handle?
John Lewis Hemmer focuses on patent, ip, trade secrets. Each practice area listed reflects experience handling cases of that type in Texas.
How long has John Lewis Hemmer practiced law?
John Lewis Hemmer has 20+ years of legal experience and has been licensed since 2006.
Where did John Lewis Hemmer go to law school?
John Lewis Hemmer earned their education at (J.D., 2006); (B.S., 2003).
How can I contact John Lewis Hemmer for a consultation?
You can contact John Lewis Hemmer 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.

Education

J.D.
Temple University, Beasley School of Law
- 2006
B.S.
Pennsylvania State University, Schreyer Honors College
- 2003

Bar Admissions

Pennsylvania New Jersey registered to practice before the US Patent, Trademark Office US District Co
Admitted: 2006

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