Brian Chang

Weil, Gotshal & Manges LLP

Brian Chang’s practice focuses on patent litigation and IP counseling. He has experience in complex patent matters involving technologies such as medical devices, network management software, cellular phones and mobile devices, semiconductors, HVAC systems, computer hardware and software, and electronic commerce.

In addition to patent litigation in the federal courts and International Trade Commission, Mr. Chang regularly assists the firm’s transactional practice groups with IP due diligence. He is also active in the firm’s USPTO post-grant practice, regularly preparing or supervising petitions for inter partes review and covered business method review proceedings.

Litigation Experience:

  • Prepared and managed covered business method review challenges on behalf of eBay and PayPal, in which the PTAB invalidated 40 challenged claims of three patents relating to electronic currency transactions.
  • Responsible for day-to-day technical analysis and managing expert witnesses in an on-going patent infringement suit between competing manufacturers of HVAC systems.
  • Member of Weil team that represented Medtronic in Federal Circuit appeal concerning lifesaving heart valve replacement technology, in which the Weil team successfully secured a stay of a preliminary injunction that had been entered by the district court.
  • Responsible for prior art searching, technical analysis, developing invalidity positions, and coordinating expert witnesses in a patent infringement suit filed against General Electric in the Eastern District of Virginia, concerning RFID-based monitoring of hand-washing in hospitals and medical facilities.

Mr. Chang has also performed IP due diligence in numerous transactional matters, including in connection with Weil’s representation of:

  • Intel’s $16.7 billion acquisition of Altera.
  • Eli Lily’s acquisition of Novartis Animal Health.


  • California
  • US Patent & Trademark Office


  • UC Berkeley (B.S., 2005)
  • Columbia Law School (J.D., 2008)


Rate : $$$

What types of cases Attorney Brian Chang & Weil, Gotshal & Manges LLP can handle?
Weil, Gotshal & Manges LLP can handle cases related to laws concerning Litigation. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Weil, Gotshal & Manges LLP located?
Weil, Gotshal & Manges LLP is located at 201 Redwood Shores Pkwy, Redwood City, CA 94065, USA. You can reach out to Weil, Gotshal & Manges LLP using their phone line +1 (650) 802-3936. You can also check their website or email them at [email protected].
How much would it cost to hire Weil, Gotshal & Manges LLP?
Brian Chang lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Weil, Gotshal & Manges LLP
Redwood Shores Parkway 201
Redwood City 94065 CA US
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