Li Young International Patent & Trademark Office Print

Li Young International Patent & Trademark Office Li Young International Patent & Trademark Office was founded in 1988. Since then, we had been always holding to the principles of honesty and reliance in helping clients to establish and protect the intellectual property rights by specialized knowledge with many years of experience and have a good business relationship with our associates worldwide. We are continuously devoted to educating professional attorneys who provide clients with the certain information of the practice to patents, trademarks, copyrights, litigation proceedings, and any related matters in this field so that our clients will understand completely the procedures of filing a patent, trademark, and copyright application in Taiwan and China under our thorough service.

Duty of division

  • Patent division：Attorney for patent application, cancellation, re-examination, opposition, applying for interview, patent training, consulting for patent right protection, applying for IC circuit layout registration
  • Trademark and copyright division：Registration for trademark, collective trademark, certification mark, Collective membership mark, attorney for infringement response, administrative remedy of trademark, renewal, licensing, assignment and alteration of exclusive right of trademark, registration of copyright
  • Information center：Search and clarification of patent, trademark and copyright, providing news of patent, trademark, copyright, relative laws, newsletter, gazette and consulting for law issue
  • Lawyer division：Litigation of domestical and international civil law, criminal law, non-contentious case, litigation of IP right, consulting for law issue and IP right
  • IP consulting division：Apply for IP litigation Filing IP application, legal consulting, planning, analysis, circumvention and protection for patent and trademark
  • International division：Filing, search and clarification for international patent, trademark and copyright, providing for foreign news of patent, trademark, copyright, relative laws, gazette and legal consulting
  • Law affair division：General l legal consulting and latest law information providing
  • Computer center：Search and management of patent and trademark, process control of patent annuity, trademark renwal, and statement of use.


立揚國際專利商標事務所 Expertise：

  1. Mechanism：Firing device of toy gun, structure of computer case, accessories of computer, heat dissipating apparatus, bike transmission structure, case structure of monitor, camera device, lock structure of circuit card, processing machine, measurement apparatus, device of security system, air purifier, compressor, lamp, fan, speaker, vehicle, device of puzzle game, antenna, security lock, battery charger, engine combustion device, blue-tooth transfer device, window and door structure, telephone, ceiling fan…
  2. Electrical engineering：Analog circuit, digital circuit, RF circuit, EMI filter, integrated circuit, semiconductor process, printed circuit board, LCD driver, switching power supply, digital communication system, wireless network application, image processing application, information security application…
  3. Photo-electronics：back light module, guide light plate, diffuser plate, brightness enhancement film, LED, liquid crystal monitor, optical film, reflecting film, optical compensation film, polarization film, polarizer, process of polarization film, plasma monitor, optical measurement device…
  4. Medical：Electrocardiogram measurement device, biochemical sensing device, blood pressure measurement device, burn injury analysis system, dental treat assembly, dental workbench, skin microscopic device…
  5. Semi-conductor：Process of semi-conductor, dielectric material coating method, chip spread coating system, diagnose and formation system, silicon cleaning and recycling system, reliability analysis system, test-during-burn-in system…