Ms.   Zhang   is   an   expert   in   biotech,   pharmacy and medical devices including oncology,  immunity,  antibody/protein,  infectious diseases, metabolism, inflammation, vaccine, diagnostic kits, biological testing and biochip technology. Her practice focuses on patents and technology developments of pharmaceutical and biotechnology such as stem cells & regenerative medicine, immune response, monoclonal antibody, immune checkpoint inhibitors, CAR-T therapy, gene testing, high-throughput screening and biochips including organ-on-chip (liver, gut, kidney, lung, brain, heart, etc.). She has nearly 20 years experience in IP practice and has represented many leading pharma and biotech companies in patent drafting, prosecution, reexamination, patent invalidation, and patent litigation and counseling, including infringement, validity analysis, FTO analysis, due diligence, patent asset evaluation, etc.

Patent asset evaluation/FTO/Due diligence/Infringement & Validity analysis

• Represented a state-owned enterprise in an investment project including FTO and patent asset evaluation on a polymer process technology.

• Represented a top tier German pharma company in regulatory affairs and patent drafting of a drug/medical device for COPD.

• Represented a France pharma company, due diligence including FTO analysis of a Merger & Acquisition project with a domestic pharma company on a diabetes drug.

• Represented a famous Japanese chemistry company, validity and infringement analysis on acetic acid field.

• Represented a famous Japanese chemistry company, infringement analysis on an industrialized bundling method.

Reexamination/Invalidation/Litigation

• Represented a famous domestic pharma company, “Apatinib crystal”, retrial before Supreme Court.

• Represented a famous Japanese chemistry company, “Aluminum electrolytic capacitor and electrolyte”. Invalidation.

• Represented a top tier German pharma company, “Quinazoline derivative”. Invalidation.

• Represented a top tier German pharma company, “Glucopyranosyl-substituted phenyl derivatives”. Invalidation.

• Represented a famous Japanese chemistry company, “Method for preparing acetic acid”. Invalidation.

• Represented a leading Japanese pharma company, "Dipeptidyl Peptidase Inhibitor”. Reexamination & Administration Litigation.