Profile

Ms. Li Tang is a senior patent attorney with more than 20 years of experience in patent practice and qualified as an attorney-at-law. Her areas of expertise include patent drafting and prosecution, patent invalidation, patent litigation, patent searches, patent validity analysis, FTO (Freedom to Operate) analysis, due diligence, legal opinions, and third-party observations in both China and other countries/regions.

Ms. Li Tang has extensive experience in patent prosecution in China and internationally. She is proficient in drafting patent in both Chinese and English and assisting clients with global patent strategies. She has helped domestic and international enterprises, universities, and research institutions file over a thousand patents. Ms. Li Tang has also provided global patent alert services and third-party observations in both Chinese and other countries/regions for her clients. Additionally, she has provided patent validity analysis, FTO analysis, and due diligence reports in both English and Chinese for investment firms and high-tech companies. She has also represented clients in patent invalidation and litigation cases.

With a dual technical background in mechanical engineering and biology, Ms. Li Tang possesses exceptional learning, technical comprehension, and legal analysis abilities. She excels in handling complex and cross-disciplinary cases.

Before joining Cheng & Peng, Ms. Li Tang worked for over a decade at the China National Intellectual Properly Administration, where she examined nearly a thousand patent applications and handled numerous PCT international searches, patent validity analyses and infringement analyses. She has also served as a Section Chief at the Patent Examination Cooperation (Beijing Center), managing and guiding the work of over thirty examiners and handling complex patent examination cases. She has also served as the lead member of the panel for reexamination and invalidation cases, adjudicating over a hundred cases.

Representative Matters

Representing a company in patent drafting and global patent strategies for microbiology and metabolic engineering related technologies.
Representing a company in patent drafting, global patent strategies and prosecution in multiple countries/regions for synthetic biology technologies.
Representing a company in patent drafting and filing for stem cell technologies.
Representing a university in patent drafting, global patent strategies and prosecution in multiple countries/regions for DNA data storage and synthetic biology technologies.
Assisting a university in patent drafting and prosecution in multiple countries/regions for nanopore technologies.
Assisting companies in patent drafting and prosecution in multiple countries/regions for technologies related to antibodies, CARs (chimeric antigen receptors), virus vaccines, enzymes, gene editing.
Assisting a well-known American research institute in handling the Chinese patent of CRISPR/Cas technologies.
Representing client in invalidation and litigation proceedings for patents related to small molecule drugs.
Representing client in invalidation and litigation proceedings for microbiology-related patents.
Representing client in initiating patent challenges against microbiology-related patents in China and Europe.
Representing client in initiating invalidation against ophthalmological-related patents and responding to litigations.
Representing client in initiating invalidation against enzyme-related patents and responding to litigations.
Representing client in initiating invalidation against protein medicament patents.
Representing client in initiating invalidation against polycrystalline silicon-related patents and responding to litigations.
Assisting client with FTO search and analysis, design-around analysis, patent tracking and patent challenge for nuclear medicine.
Assisting client with due diligence on a U.S. nucleic acid sequencing technology research and development company and drafting a report in English.
Assisting client with Chinese, U.S., European and Japanese FTO search and analysis for stem cell-related technologies.
Assisting clients with Chinese and U.S. FTO search and analysis for a variety of protein and peptide drugs.
Assisting clients with due diligence on a number of Chinese companies engaged in small molecule drug discovery and development, including Chinese and U.S. FTO search and analysis for a variety of small molecule drugs.
Assisting client with U.S. FTO search and analysis for technologies related to viral vector delivery of antibody drugs, and third-party observation.
Assisting clients with Chinese and U.S. FTO search and analysis for antibodies, ADC drugs, targeted drug delivery systems, lipid nanoparticles, cyclic RNAs, nucleic acid sequencing-related technologies, diagnostic methods, viral vaccines, gene therapies and heart failure treatment-related technologies.
Assisting clients with Chinese and U.S. FTO search and analysis for Surgical Robotics-related technologies, injection pens and 3D drug printing-related technologies.
Assisting client with global patent landscape search, China and U.S. FTO search and analysis for catheter ablation technology.
Assisting client with validity analysis of patents related to small molecule drugs.
Assisting client with third-party observations in China, Europe, the U.S., and Canada on patent applications related to nucleic acid synthesis technologies.
Assisting clients with third-party observations on PCT patent applications related to small molecule drugs and microorganisms.
Assisting client with third-party observations in China on patent applications related to CAR-T technologies.
Assisting client with patent alerts and third-party observations on unmanned aerial vehicle (UAV) countermeasures related technologies.

Education

Tsinghua University, Bachelor in Thermal Engineering, 1999
Tsinghua University, Master in in Cell Biology, 2002
Excellent Graduate Award, Tsinghua University, 1999

Qualifications

Chinese Patent Agent Qualification, 2011
Chinese Legal Profession Qualification, 2017
Qualified litigator in patent cases admitted by the Supreme Court of China

Practices

Patent Prosecution, Patent Litigation, Due Diligence, Trademark Applications

Industries

Biotechnology, Biopharmaceuticals, Synthetic Biology, Gene Editing, CAR-T, Antibodies, Vaccines, Microbial Fermentation, Genetic Engineering, Medical Devices, Chemical Engineering, Agriculture Technologies

Languages

Chinese (native) and English

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