翼勝特許商標事務所
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Patent

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

Service

We would love to hear from you soon.

Email: ​contactessen@essenptl.com
  • English
    • Service
    • Our people
    • Contact us
  • 日本語
    • サービス
    • メンバー
    • コンタクト
  • 한국어
    • 서비스
    • 구성원
    • 연락방식