Siew Yen Chong

Steptoe & Johnson LLP

Siew Yen Chong, Ph.D., focuses her practice on the field of patent litigation and prosecution, as well as pre-litigation strategy counseling and freedom to operate analyses concerning application of the Biologics Act to biotherapeutic development programs. She is experienced in the design of immunogenicity and in vivo challenge studies, and development of animal models for the evaluation of pre-clinical candidate vaccines.

Her experience has included biologics and small-molecule (Hatch-Waxman) patent litigation, pre-suit investigations, opinions of counsel, IP due diligence, post-grant proceedings before the US Patent and Trademark Office, and domestic and foreign patent prosecution. Some of the technologies she has worked with include monoclonal antibodies, HIV antivirals, DNA sequencing, and other aspects of the life sciences.

Before beginning her legal career, Siew was a scientist at a multinational pharmaceutical company, where she focused on the development of candidate vaccines targeted to bacterial and viral diseases.

Bar & Court Admissions:

  • New York
  • New Jersey
  • US District Court, Eastern District of New York
  • US Patent & Trademark Office


  • J.D., Rutgers University School of Law, 2010
  • Ph.D., University of Medicine & Dentistry of New Jersey, 2000, Pathology and Immunology
  • B.S., Upsala College, 1995, summa cum laude; co-valedictorian, Biology and Biochemistry


Rate : $$$

What types of cases Attorney Siew Yen Chong & Steptoe & Johnson LLP can handle?
Steptoe & Johnson LLP can handle cases related to laws concerning Litigation, Trademark infringement. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Steptoe & Johnson LLP located?
Steptoe & Johnson LLP is located at 17, 1114 6th Ave, New York, NY 10036, USA. You can reach out to Steptoe & Johnson LLP using their phone line +1 212 378 7541. You can also check their website
How much would it cost to hire Steptoe & Johnson LLP?
Siew Yen Chong 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.
Are Siew Yen Chong reviews trust-able?
We have the ratings and reviews moderation team who checks and verifies every review submitted on our website manually. You can trust all the reviews you see on Siew Yen Chong lawyer profile listing.

Rate and write a review

Your email address will not be published. Required fields are marked *

Is this your profile?Claim it now.

Make sure your information is up to date.
Steptoe & Johnson LLP
6th Avenue 1114
New York 10036 NY US
Get directions

Brian Orlow

Main Street 71-18
11367 NY US

Lina Stillman

Broadway 42
New York 10006 NY US