Quality of ESSEN’s high-notch services, such as patent applications and litigation, is fully recognized by ESSEN’s enterprise clients.
- Counseling on the patentability of inventions
- Prior art search and analysis
- Legal opinion on infringement and invalidity matters
- Preparing and drafting patent specifications and claims
- Filing and prosecuting patent applications before the Patent Office
- Counseling, preparing, and filing the request of invalidation for a granted patent
- Defending in the invalidation procedures
- Counseling, preparing, and filing to appear before the Patent Office
- Filing and appearing in the interview process before the Patent Office
- Technical support on licensing and litigations
- Investigating and enforcing patent rights against infringers
- Patent watching
- Renewal of patents