Founded in 1999, DRPNA® focuses on providing quality, responsive, and cost conscious intellectual property law services for biotechnology and other high technology fields. We are presently a group of four attorneys, five registered patent agents, and appropriate technical and legal support. We can assist you with any of your intellectual property needs, including:

Patents

• Preparation and filing of US patent applications
• Preparation and filing of worldwide patent applications
• Patent prosecution, including responding to USPTO Office Actions
• Patent infringement, including infringement opinions and litigation
• Patent interference
• Patent licensing and related agreements
• Patent Litigation

Trademarks

• Preparation and filing of US trademark applications
• Preparation and filing of worldwide trademark applications, including Paris Convention and Madrid Protocol filings
• Trademark prosecution, including responding to USPTO Office Actions
• Trademark oppositions
• Limited trademark search
• Comprehensive trademark search
• Trademark infringement analysis and litigation
• Trademark licensing and related agreements
• Trademark Litigation

Copyrights

• Preparation and filing of US copyright applications
• Preparation and filing of worldwide copyright applications
• Copyright search
• Copyright infringement and litigation
• Copyright licensing and related agreements

David R. Preston holds an advanced technical degree in the biological sciences, including a Ph.D. David R. Preston also worked within several government agencies and thus has a working knowledge of their operations. These agencies include the United States Patent and Trademark Office, the United States Army, the National Institutes of Health, the National Cancer Institute and the Federal District and Appellate Courts of the United States.