Contact

XOMA corporate and research headquarters:

XOMA (US) LLC
A subsidiary of XOMA Ltd.
2910 Seventh Street
Berkeley, CA 94710
Phone: (510) 204-7200

Product and technology licensing and partnerships
Technology licensing inquiries may be sent via email, post or facsimile. Please include informational materials about your company along with a cover letter indicating which of our technologies you are interested in, addressed to:

Attn: Business development
XOMA (US) LLC
A Subsidiary of XOMA Ltd.
2910
Seventh Street
Berkeley, CA 94710
Phone: (510) 204-7200

BizDevInfo@xoma.com

XOMA is also actively pursuing additional development collaborations with other biopharmaceutical companies. Please contact our business development group:

BizDevInfo@xoma.com

Investor relations 
Shareholders, investors, brokers, analysts and the media may contact our investor relations department:

Telephone (800) BIO-XOMA (246-9662)
Email: InvestorRelations@xoma.com
Use the request investor information form
Ownership inquiries
For inquiries regarding share ownership, transfer, etc., please contact XOMA's transfer agent:

XOMA Ltd.
c/o Mellon Investor Services, LLC
85 Challenge Road
Overpeck Centre
Ridgefield Park, New Jersey 07660
Telephone: 800-370-1163
www.melloninvestor.com

Job opportunities
A listing of open positions and an automated resume submission form are available on our job openings page.

Clinical trials

XOMA will post additional clinical trial participation information when appropriate.

Web site comments
Your comments on this web site, including what you would like to see more or less of, are welcome at webmaster@xoma.com.