formnt10k.htm  
United States
Securities and Exchange Commission
Washington, D.C. 20549
 
 
FORM 12b-25
 
Notification of Late Filing
(Amendment No. 0)*
 
OMB Number
3234-0058 		SEC File Number
1-12830		 CUSIP Number
09066L-10-5
(Check one): √ Form 10-K   Form 20-F   Form 11-K   Form 10-Q   Form 10-D   Form N-SAR
  Form N-CSR
For Period Ended: December 31, 2007  
  Transition Report on Form 10-K
  Transition Report on Form 20-F
  Transition Report on Form 11-K
  Transition Report on Form 10-Q
  Transition Report on Form N-SAR
For the Transition Period Ended:  
Read Instruction (on back page) Before Preparing Form. Please Print or Type.
 
Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.
 
If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates:
Part I - Registrant Information
 
BioTime, Inc.
Full Name of Registrant
 
 
Former Name if Applicable
 
 
6121 Hollis Street
Address of Principal Executive Office (Street and Number)
 
Emeryville, California 94608
 City, State and Zip Code
 
Part II - Rules 12b-25(b) and (c)
 
If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed.(Check box if appropriate.)
 
√
 
 (a) The reason described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense.
(b) The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, Form 11-K, Form N-SAR or Form N-CSR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q or subject distribution report on Form 10-D, or portion thereof, will be filed on or before the fifth calendar day following the prescribed due date; and
(c) The accountant's statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.
 
Part III - Narrative
State below in reasonable detail why Forms 10-K, 20-F, 11-K, 10-Q,10-D, N-SAR, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.
 
BioTime could not file its Annual Report on Form 10-KSB for the year ended December 31, 2007 within the prescribed period because additional information is required by its independent accountants to complete their audit procedures pertaining to BioTime's financial statements for that fiscal year.

BioTime expects that its independent accountants will be able to complete their audit, and that BioTime will be able to file its Form 10-KSB, by the fifteenth calendar day following the prescribed due date.
 
Part IV - Other Information
  1. Name and telephone number of person to contact in regard to this notification
     
    Steven A. Seinberg, Chief Financial Officer 510 350-2940
    (Name) (Area Code) (Telephone Number)
  2. Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed?
     
    Yes  √  No   
    If answer is no, identify report(s).
     
  3. Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof?
     
    Yes     No  √
    If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.
BIOTIME, INC.
(Name of Registrant as Specified in Charter)
has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized
 
Date: 03-31-2008 By /s/ Steven A. Seinberg Title: Chief Financial Officer
INSTRUCTION: The form may be signed by an executive officer of the registrant or by any other duly authorized representative. The name and title of the person signing the form shall be typed or printed beneath the signature. If the statement is signed on behalf of the registrant by an authorized representative (other than an executive officer), evidence of the representative's authority to sign on behalf of the registrant shall be filed with the form.
 
Attention
Intentional misstatements or omissions of fact constitute Federal Criminal Violations (See 18 U.S.C. 1001).