Atty. David William Grillo

Atty. David William Grillo

David William Grillo is a lawyer practicing patent law, trademark law, copyright/intellectual prop. and 3 other areas of law. David received a B.S. degree from The Ohio State University in 2000, and has been licensed for 23 years.

Cleveland Cleveland 23 yrs experience 23 year
Call (216) 202-2855 Book Appointment

Copyright/Intellectual Prop. & More Attorney · Serving Cleveland, OH · 23+ Years Experience

Profile Summary

About David William Grillo at a Glance

David William Grillo is a Member based in Cleveland, Ohio, practicing at David W. Grillo, LLC. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on trademark, copyright, business, ip, and litigation. Admitted to practice in Ohio registered to practice before U.S. Patent and Trademark Office (2003). Educated at Cleveland-Marshall College of Law (J.D., 2003) and The Ohio State University (B.S. Computer, 2000). Serves clients in Cleveland, OH and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About David William Grillo

  • David William Grillo is a lawyer practicing patent law, trademark law, copyright/intellectual prop. and 3 other areas of law
  • David received a B.S. degree from The Ohio State University in 2000, and has been licensed for 23 years
  • David practices at David W. Grillo, LLC in Cleveland, OH

Practice Areas Explained

David William Grillo's Areas of Legal Practice

Each practice area below reflects the types of cases David William Grillo handles, with a practical overview of what that area of law involves and how it may apply to your situation in Cleveland.

Trademark Law in Cleveland

David William Grillo is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in Ohio →

Copyright Law in Cleveland

David William Grillo is one of 17,404 copyright attorneys indexed nationally. Browse copyright attorneys in Ohio →

Business & Corporate Law in Cleveland

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

David William Grillo is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Ohio →

Intellectual Property in Cleveland

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

David William Grillo is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Ohio →

Civil Litigation in Cleveland

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

David William Grillo is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in Ohio →

Jurisdictional Context

Why Local Counsel Matters in Cleveland

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 venue, 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.

Cleveland Courts and Legal Process

Choosing a Cleveland-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 Ohio attorneys? Browse all attorneys in Cleveland or all attorneys in Ohio.

Frequently Asked

Common Questions About David William Grillo

Where is David William Grillo's law office located?
David William Grillo's law practice is located in Cleveland, Ohio. The firm is David W. Grillo, LLC. You can contact the office directly through this profile page.
What practice areas does David William Grillo handle?
David William Grillo focuses on trademark, copyright, business, ip, litigation. Each practice area listed reflects experience handling cases of that type in Ohio.
How long has David William Grillo practiced law?
David William Grillo has 23+ years of legal experience and has been licensed since 2003.
Where did David William Grillo go to law school?
David William Grillo earned their education at (J.D., 2003); (B.S. Computer, 2000).
How can I contact David William Grillo for a consultation?
You can contact David William Grillo 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.

Professional Profile

Why Clients in Cleveland Choose David William Grillo

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 William Grillo's practice in the field of trademark, copyright, business, ip, and litigation.

Decade-Tested Legal Experience

David William Grillo brings 23+ 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 trademark, copyright, and business, David William Grillo can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Cleveland

A Cleveland-based practice means David William Grillo 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 William Grillo Handles in Cleveland

Below is a representative sample of the types of matters David William Grillo has experience with under Ohio law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact David William Grillo directly to discuss the specifics of your situation.

Search Reference

How People Find David William Grillo Online

Prospective clients searching for legal help in Cleveland 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 David William Grillo.

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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 David William Grillo directly.

David William Grillo's Practice Areas & Specializations

Education & Law School Background

J.D.
Cleveland-Marshall College of Law
- 2003
B.S. Computer
The Ohio State University
- 2000

Bar Admissions & Licensed Jurisdictions

Ohio registered to practice before U.S. Patent and Trademark Office
Admitted: 2003

Client Reviews & Ratings — David William Grillo

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