Tom Liang

Position:Senior Associate

IP Qualifications

Chinese Patent Attorney
Chinese Lawyer

Academic Qualifications

Qualification Institution Year of Completion
LLMRenmin University of China2004
LLMCity University of Hong Kong2003
Master of PhysicsChinese Academy of Sciences, China1996
Bachelor of EngineeringXi'An University of Technology, China1993

Industry Experience

PositionOrganisation/InstitutionDate of Tenure
PRC Patent AgentSpruson & Ferguson, Hong Kong OfficeJuly 2021 to present
PRC Patent Agent and LawyerBird & Bird LLP, Hong Kong OfficeJan 2012 – Dec 2019
PRC Patent Agent and LawyerChina Patent Agent (HK) Ltd.July 1996 – May 2007


Organisation Level
All China Patent Agents Association member
All China Lawyers Associationmember

Selected CN specifications

CN Patent Publication NumberTitle of Application
CN100416586CAuto-tuning scanning proximity reader
CN101159765BNetwork interface techniques
CN101044712AMethod and apparatus for communicating within a segmented network
CN1969206BAn optical separating filter
CN1736337BUltrasonic image display method and ultrasonic diagnosis apparatus
CN1969373AMethod of manufacturing a strained semiconductor layer, method of manufacturing a semiconductor device and semiconductor substrate suitable for use in such a method
CN1599950AMethod for defining a source and a drain and a gap inbetween
CN1636243AMixing system for mixing oversampled digital audio signals
CN101017822ASemiconductor device
CN1983240AMethod for assessing models of vehicle driving style or vehicle usage model detector
Experience and Technical Background

Experienced in the following areas of patent practice:

  • Patent Drafting
  • Patent Searching
  • Patent Clearance
  • Patent Filing
  • Patent Prosecution
  • Patent Invalidation
  • Patentability Evaluation
  • Patent Strategic Advice

Primary patent practice areas by technology:

  • Semiconductors
  • Telecommunications
  • Electronic Devices and Circuits
  • Consumer Products
  • Nanotechnology
  • Computer Software
  • Internet Technology and Security
  • Optical Instruments
  • Medical instruments

Research/industry background:

A. General technical areas:

  • Semiconductor laser
  • Optoelectronics
  • Microelectronics


B. Honours research:

  • Vertical cavity surface emitting laser

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