John H. Choi & Associates LLC is a specialized intellectual property law firm offering comprehensive legal services in patent, trademark, and copyright law. With decades of experience both in the U.S. and abroad, the firm stands out for its technical expertise, personalized client approach, and successful track record in high-stakes IP litigation and prosecution.
The firm serves a diverse clientele ranging from individual inventors to large corporations, with a particular focus on engineering and technology-driven industries. Their practice is built on a foundation of deep technical knowledge—bolstered by backgrounds in mechanical engineering, chemical engineering, and electrical equipment manufacturing—enabling them to provide strategic counsel on the procurement, enforcement, and defense of intellectual property rights.
Services Offered
- Patent prosecution (utility, design, and plant patents)
- Trademark prosecution and registration
- Copyright prosecution and registration
- Intellectual property litigation (federal and state courts, USPTO)
- Infringement, validity, and freedom to operate opinions
- IP licensing and due diligence
- Domestic and foreign IP portfolio management
- IP enforcement and declaratory judgment actions
- Brand protection and trademark opposition/cancellation proceedings
- Technical consulting and engineering-based legal advice
The firm is admitted to practice in New Jersey, New York, Pennsylvania, multiple federal districts, and before the U.S. Patent and Trademark Office. They have successfully represented clients in notable cases across patent, trademark, and copyright matters, reinforcing their reputation as skilled advocates in complex IP disputes.
