Practice Areas

Patent Prosecution

Building a portfolio of patents and other intellectual property can serve as an effective deterrent to potential infringers, which allows you to build your business.

Mr. Greenberg is a Registered Patent Attorney licensed to practice before the United States Patent and Trademark Office.  He has handled numerous matters for U.S. and international corporations as well as individual inventors.  As an attorney and engineer, he has exceptional knowledge of both law and technology.  This knowledge can be put to work for you and your business determining claim scope and improving value of the patent portfolio.

We sit down with you in-person at your place of work, in our office, or over the phone or Internet.  Our experience can help you determine what type of protection works best for your ideas.

We file domestic and international patents and can work with foreign counsel to secure your intellectual property rights around the world.  We also work with foreign inventors and counsel to serve as the point of contact with the U.S. Patent and Trademark Office.

Criminal Defense

Getting arrested is one of the scariest things that can happen to anyone.  Good counsel is invaluable in navigating an overburdened judiciary.  Often these matters can be quickly resolved by dismissal or reducing the charges.  When they cannot, we at Robert L. Greenberg, P.C. can fight on behalf of you or your loved one.

Mr. Greenberg has served as an Assistant District Attorney in New York City, and has handled cases as diverse as DWI, assault, domestic violence, larceny, tax evasion, aggravated unlicensed driving, and many more.

We can evaluate and provide counsel in any criminal matter in New York and New Jersey and are available 24 hours a day.

Business Planning / Document Filings

Starting a new business can be a labyrinth of forms and regulations.  Our expert counsel can guide you in choosing the proper corporate form, and can ensure filings.  Corporate formation and DBA papers are just the start of the services we can provide your business.

Working with start-up companies and ensuring compliance is what we do best.  Please contact us with any concerns you may have.

DOT Regulations / Drug Testing Policies

Businesses large and small that have trucks, buses, airplanes, need to comply with the U.S. Department of Transportation (DOT) regulations as well as the state and local departments.  Mr. Greenberg is an expert in the drug testing regulations and procedures, and can assist your company in compliance and policies to avoid liability for your employees.


In New York, getting a DNA test can be difficult.  Robert L. Greenberg, P.C. can facilitate the process by issuing an attorney order for a test and by working closely with DNA collectors who can ensure chain of custody for the whole process.  These tests are performed to the highest legal standards set by New York State Courts.

These tests can be ordered to determine paternity, to provide peace of mind in estate planning, or for immigration and naturalization purposes.  Mobile collections can also be arranged.