is no one better or more honest in the business than the Greentree team,”
Richard C. Levy
to Cashing In on Your Inventions.
Greentree Information Services is a patent and trademark research
company based in the Washington D.C. area since 1992. We offer
confidential and timely patent and trademark research services.
Experienced company personnel perform all patent and trademark
research, on-site at the US Patent and Trademark search facilities
in Alexandria, Virginia.