Atty. Joel S. Sonnenberg

Atty. Joel S. Sonnenberg

Joel S. Sonnenberg applies his knowledge as a trained engineer to counsel clients on a wide range of intellectual property issues.

Cleveland Cleveland 13 yrs experience 13 year
Call (216) 274-2230 Email Book Appointment

Profile Summary

About Joel S. Sonnenberg at a glance

Joel S. Sonnenberg is a Partner based in Cleveland, Ohio, practicing at Hahn Loeser & Parks LLP. They have 13+ years of legal experience, licensed to practice since 2013. Their practice focuses on patent, trademark, copyright, ip, and ip licensing. Admitted to practice in Ohio (2013), U.S. Court of Appeals for the Federal Circuit (2016), and U.S. District Court for the Northern District of Ohio registered to practice before U.S. Patent and (2016). Educated at Cleveland-Marshall College of Law (J.D., 2013) and University of Toledo (B.S. Civil, 2002). Active member of Ohio State Bar Association American Bar Association Cleveland Intellectual Property Law Association American Agricultural Law Association. Serands clients in Cleveland, OH and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Joel S. Sonnenberg applies his knowledge as a trained engineer to counsel clients on a wide range of intellectual property issues
  • Joel has extensive experience researching patent, trademark, trade secret and copyright matters
  • Joel prepares memoranda regarding litigation and intellectual-property issues, patent applications and responses to office actions from the United States Patent & Trademark Office and abroad
  • Joel’s experience strikes an intriguing balance between law and technical fields
  • Prior to joining Hahn Loeser, Joel was a project engineer and a project manager for one of Engineering News-Record’s Top 400 Contractors and one of Modern Healthcare Magazine’s Top Healthcare Contractors
  • During this time, Joel gained experience working with designers, engineers and contractors on the smallest details of complex building components, including mechanical, electrical, civil and structural systems
  • He is familiar with green design practices as he has been LEED® AP credentialed since 2008
  • Prior to managing projects, Joel acquired hands-on experience working as a skilled laborer, carpenter and mechanic
  • He brings this broad-based skill set to his law practice, providing clients with approachable and uniquely qualified legal counsel
  • Community Involvement Ohio Farm Bureau, Medina County Active Member 2017 Medina County Local Government Leadership Academy Awards & Distinctions Ones to Watch, Best Lawyers®, Patent Law, 2021 LEED® AP, Green Building Certification Institute, 2008-present Rising Star, Ohio Super Lawyers®, 2018 Memberships & Affiliations Ohio State Bar Association (OSBA), Member American Bar Association (ABA), Member Cleveland Intellectual Property Law Association (CIPLA), Member American Agricultural Law Association (AALA), 2017 Planning Committee, Member

Practice Areas Explained

Joel S. Sonnenberg's Areas of Practice

Each practice area below reflects the types of cases Joel S. Sonnenberg handles, with a brief overview of what that area of law covers.

Patent Law

Joel S. Sonnenberg is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Ohio →

Trademark Law

Joel S. Sonnenberg is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Ohio →

Copyright Law

Joel S. Sonnenberg is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Ohio →

Intellectual Property

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

Joel S. Sonnenberg is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Ohio →

IP Licensing

Joel S. Sonnenberg is one of 2,744 ip licensing attorneys indexed nationally. Browse ip licensing attorneys in Ohio →

Jurisdictional Context

Why local counsel matters in Ohio

Practicing law in Ohio. Legal matters in Ohio are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Cleveland are typically filed in the local municipal court or the appropriate Ohio state district court, depending on subject matter and amount in controversy. An attorney licensed in Ohio 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 Ohio courts without local counsel or pro hac vice admission.

Looking for additional Ohio attorneys? Browse all attorneys in Cleveland or all attorneys in Ohio.

Frequently Asked

Common questions about Joel S. Sonnenberg

Where is Joel S. Sonnenberg's law office located?
Joel S. Sonnenberg's law practice is located in Cleveland, Ohio. The firm is Hahn Loeser & Parks LLP. You can contact the office directly through this profile page.
What practice areas does Joel S. Sonnenberg handle?
Joel S. Sonnenberg focuses on patent, trademark, copyright, ip, ip licensing. Each practice area listed reflects experience handling cases of that type in Ohio.
How long has Joel S. Sonnenberg practiced law?
Joel S. Sonnenberg has 13+ years of legal experience and has been licensed since 2013.
Where did Joel S. Sonnenberg go to law school?
Joel S. Sonnenberg earned their education at (J.D., 2013); (B.S. Civil, 2002).
How can I contact Joel S. Sonnenberg for a consultation?
You can contact Joel S. Sonnenberg 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.
Cleveland-Marshall College of Law
- 2013
B.S. Civil
University of Toledo
- 2002

Bar Admissions

Ohio
Admitted: 2013
U.S. Court of Appeals for the Federal Circuit
Admitted: 2016
U.S. District Court for the Northern District of Ohio registered to practice before U.S. Patent and
Admitted: 2016

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