0-14710
|
52-2154066
|
|
(Commission
File Number)
|
(IRS
Employer Identification No.)
|
2910
Seventh Street, Berkeley, California
|
94710
|
(Address
of principal executive offices)
|
(Zip
code)
|
Registrant's
telephone number, including area code
|
(510)
204-7200
|
o
|
Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
|
o
|
Soliciting
material pursuant to Rule 14A-12 under the Exchange Act (17
CFR 240.14a-12)
|
o
|
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17
CFR.14d-2(b))
|
o
|
Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))
|
Dated: March
1, 2010
|
XOMA
LTD.
|
By: /s/ Christopher
J. Margolin
|
|
Christopher J. Margolin
|
|
Vice President, General
|
|
Counsel and Secretary
|