UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 1)*

                               PDL BIOPHARMA, INC.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, Par Value $0.01 Per Share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    69329Y104
                                    ---------
                                 (CUSIP Number)

                                December 31, 2007
                                -----------------
                      (Date of Event which Requires Filing
                               of this Statement)



Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

                  [ ]      Rule 13d-1(b)
                  [X]      Rule 13d-1(c)
                  [ ]      Rule 13d-1(d)



  *The remainder of this cover page shall be filled out for a reporting person's
  initial filing on this form with respect to the subject class of securities,
  and for any subsequent amendment containing information which would alter the
  disclosures provided in a prior cover page.

  The information required on the remainder of this cover page shall not be
  deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
  Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
  the Act but shall be subject to all other provisions of the Act (however, see
  the Notes).


                                  Page 1 of 10




----------------------------                                 -------------------
CUSIP No. 69329Y104                       13G                Page 2 of 10 Pages
----------------------------                                 -------------------

---------- ---------------------------------------------------------------------
        1  NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           S.A.C. Capital Advisors, LLC
---------- ---------------------------------------------------------------------
        2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                   (a) [ ]
                                                                   (b) [X]
---------- ---------------------------------------------------------------------
        3  SEC USE ONLY
---------- ---------------------------------------------------------------------
        4  CITIZENSHIP OR PLACE OF ORGANIZATION

           Delaware
--------------------- ----- ----------------------------------------------------
                         5  SOLE VOTING POWER

                            0
                      ----- ----------------------------------------------------
                         6  SHARED VOTING POWER
NUMBER OF SHARES
BENEFICIALLY OWNED          60,153 (see Item 4)
BY EACH REPORTING     ----- ----------------------------------------------------
PERSON WITH              7  SOLE DISPOSITIVE POWER

                            0
                      ----- ----------------------------------------------------
                         8  SHARED DISPOSITIVE POWER

                            60,153 (see Item 4)
---------- ---------------------------------------------------------------------
        9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           60,153 (see Item 4)
---------- ---------------------------------------------------------------------
       10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

           [ ]
---------- ---------------------------------------------------------------------
       11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

            Less than 0.1% (see Item 4)
---------- ---------------------------------------------------------------------
       12  TYPE OF REPORTING PERSON*

           00
---------- ---------------------------------------------------------------------
                       *SEE INSTRUCTION BEFORE FILLING OUT

                                  Page 2 of 10





----------------------------                                 -------------------
CUSIP No. 69329Y104                       13G                Page 3 of 10 Pages
----------------------------                                 -------------------

---------- ---------------------------------------------------------------------
        1  NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           S.A.C. Capital Management, LLC
---------- ---------------------------------------------------------------------
        2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                   (a) [ ]
                                                                   (b) [X]
---------- ---------------------------------------------------------------------
        3  SEC USE ONLY
---------- ---------------------------------------------------------------------
        4  CITIZENSHIP OR PLACE OF ORGANIZATION

           Delaware
--------------------- ----- ----------------------------------------------------
                         5  SOLE VOTING POWER

                            0
                      ----- ----------------------------------------------------
                         6  SHARED VOTING POWER
NUMBER OF SHARES
BENEFICIALLY OWNED          60,153 (see Item 4)
BY EACH REPORTING     ----- ----------------------------------------------------
PERSON WITH              7  SOLE DISPOSITIVE POWER

                            0
                      ----- ----------------------------------------------------
                         8  SHARED DISPOSITIVE POWER

                            60,153 (see Item 4)
---------- ---------------------------------------------------------------------
        9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           60,153 (see Item 4)
---------- ---------------------------------------------------------------------
       10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

           [ ]
---------- ---------------------------------------------------------------------
       11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

            Less than 0.1% (see Item 4)
---------- ---------------------------------------------------------------------
       12  TYPE OF REPORTING PERSON*

           00
---------- ---------------------------------------------------------------------
                       *SEE INSTRUCTION BEFORE FILLING OUT

                                  Page 3 of 10




----------------------------                                 -------------------
CUSIP No. 69329Y104                       13G                Page 4 of 10 Pages
----------------------------                                 -------------------

---------- ---------------------------------------------------------------------
        1  NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           Walter Capital Management, LLP
---------- ---------------------------------------------------------------------
        2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                   (a) [ ]
                                                                   (b) [X]
---------- ---------------------------------------------------------------------
        3  SEC USE ONLY
---------- ---------------------------------------------------------------------
        4  CITIZENSHIP OR PLACE OF ORGANIZATION

           England and Wales
--------------------- ----- ----------------------------------------------------
                         5  SOLE VOTING POWER

                            0
                      ----- ----------------------------------------------------
                         6  SHARED VOTING POWER
NUMBER OF SHARES
BENEFICIALLY OWNED          300,000 (see Item 4)
BY EACH REPORTING     ----- ----------------------------------------------------
PERSON WITH              7  SOLE DISPOSITIVE POWER

                            0
                      ----- ----------------------------------------------------
                         8  SHARED DISPOSITIVE POWER

                            300,000 (see Item 4)
---------- ---------------------------------------------------------------------
        9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           300,000 (see Item 4)
---------- ---------------------------------------------------------------------
       10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

           [ ]
---------- ---------------------------------------------------------------------
       11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

           0.3% (see Item 4)
---------- ---------------------------------------------------------------------
       12  TYPE OF REPORTING PERSON*

           00
---------- ---------------------------------------------------------------------
                       *SEE INSTRUCTION BEFORE FILLING OUT

                                  Page 4 of 10




----------------------------                                 -------------------
CUSIP No. 69329Y104                       13G                Page 5 of 10 Pages
----------------------------                                 -------------------

---------- ---------------------------------------------------------------------
        1  NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           Steven A. Cohen
---------- ---------------------------------------------------------------------
        2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                   (a) [ ]
                                                                   (b) [X]
---------- ---------------------------------------------------------------------
        3  SEC USE ONLY
---------- ---------------------------------------------------------------------
        4  CITIZENSHIP OR PLACE OF ORGANIZATION

           United States
--------------------- ----- ----------------------------------------------------
                         5  SOLE VOTING POWER

                            0
                      ----- ----------------------------------------------------
                         6  SHARED VOTING POWER
NUMBER OF SHARES
BENEFICIALLY OWNED          360,153 (see Item 4)
BY EACH REPORTING     ----- ----------------------------------------------------
PERSON WITH              7  SOLE DISPOSITIVE POWER

                            0
                      ----- ----------------------------------------------------
                         8  SHARED DISPOSITIVE POWER

                            360,153 (see Item 4)
---------- ---------------------------------------------------------------------
        9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           360,153 (see Item 4)
---------- ---------------------------------------------------------------------
       10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

           [ ]
---------- ---------------------------------------------------------------------
       11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

           0.3% (see Item 4)
---------- ---------------------------------------------------------------------
       12  TYPE OF REPORTING PERSON*

           IN
---------- ---------------------------------------------------------------------
                       *SEE INSTRUCTION BEFORE FILLING OUT

                                  Page 5 of 10




Item 1(a)           Name of Issuer:
                    --------------

                    PDL BioPharma, Inc.

Item 1(b)           Address of Issuer's Principal Executive Offices:
                    -----------------------------------------------

                    1400 Seaport Boulevard, Redwood City, CA 94063

Items 2(a)          Name of Person Filing:
                    ---------------------

                    This statement is filed by: (i) S.A.C. Capital Advisors, LLC
                    ("SAC Capital Advisors") with respect to shares of common
                    stock, par value $0.01 per share ("Shares"), of the Issuer
                    beneficially owned by S.A.C. MultiQuant Fund, LLC ("SAC
                    MultiQuant Fund"); (ii) S.A.C. Capital Management, LLC ("SAC
                    Capital Management") with respect to Shares beneficially
                    owned by SAC MultiQuant Fund; (iii) Walter Capital
                    Management, LLP ("Walter Management") with respect to Shares
                    beneficially owned by S.A.C. Global Investments, L.P.
                    ("Global Investments") and (iv) Steven A. Cohen with respect
                    to Shares beneficially owned by SAC Capital Advisors, SAC
                    Capital Management, SAC MultiQuant Fund, Walter Management
                    and Global Investments.

                    SAC Capital Advisors, SAC Capital Management, Walter
                    Management and Steven A. Cohen have entered into a Joint
                    Filing Agreement, a copy of which is filed with this
                    Schedule 13G as Exhibit 99.1, pursuant to which they have
                    agreed to file this Schedule 13G jointly in accordance with
                    the provisions of Rule 13d-1(k) of the Securities Exchange
                    Act of 1934, as amended.

Item 2(b)           Address of Principal Business Office:
                    ------------------------------------

                    The address of the principal business office of (i) SAC
                    Capital Advisors and Mr. Cohen is 72 Cummings Point Road,
                    Stamford, Connecticut 06902, (ii) SAC Capital Management is
                    540 Madison Avenue, New York, New York 10022 and (iii)
                    Walter Management is St. Martins Court, 4th Floor, 10
                    Paternoster Row, London EC4M 7HP, U.K.

Item 2(c)           Citizenship:
                    -----------

                    SAC Capital Advisors and SAC Capital Management are Delaware
                    limited liability companies. Mr. Cohen is a United States
                    citizen. Walter Management is a limited liability
                    partnership organized under the laws of England and Wales.

                                  Page 6 of 10





Item 2(d)           Title of Class of Securities:
                    ----------------------------

                    Common Stock, par value $0.01 per share

Item 2(e)           CUSIP Number:
                    ------------

                    69329Y104

Item 3              Not Applicable

Item 4              Ownership:
                    ---------

                    The percentages used herein are calculated based upon the
                    Shares issued and outstanding as of November 2, 2007 as
                    reported on the Issuer's quarterly report on Form 10-Q filed
                    with the Securities and Exchange Commission by the Company
                    for the quarterly period ended September 30, 2007.

                    As of the close of business on December 31, 2007:

                    1. S.A.C. Capital Advisors, LLC
                    (a) Amount beneficially owned: 60,153
                    (b) Percent of class: Less than 0.1%
                    (c)(i) Sole power to vote or direct the vote: -0-
                    (ii) Shared power to vote or direct the vote: 60,153
                    (iii) Sole power to dispose or direct the disposition: -0-
                    (iv) Shared power to dispose or direct the disposition:
                         60,153

                    2. S.A.C. Capital Management, LLC
                    (a) Amount beneficially owned: 60,153
                    (b) Percent of class: Less than 0.1%
                    (c)(i) Sole power to vote or direct the vote: -0-
                    (ii) Shared power to vote or direct the vote: 60,153
                    (iii) Sole power to dispose or direct the disposition: -0-
                    (iv) Shared power to dispose or direct the disposition:
                         60,153

                    3. Walter Capital Management, LLP
                    (a) Amount beneficially owned: 300,000
                    (b) Percent of class: 0.3%
                    (c)(i) Sole power to vote or direct the vote: -0-
                    (ii) Shared power to vote or direct the vote: 300,000
                    (iii) Sole power to dispose or direct the disposition: -0-
                    (iv) Shared power to dispose or direct the disposition:
                         300,000

                                              Page 7 of 10





                    4. Steven A. Cohen
                    (a) Amount beneficially owned: 360,153
                    (b) Percent of class: 0.3%
                    (c)(i) Sole power to vote or direct the vote: -0-
                    (ii) Shared power to vote or direct the vote: 360,153
                    (iii) Sole power to dispose or direct the disposition: -0-
                    (iv) Shared power to dispose or direct the disposition:
                         360,153

                    SAC Capital Advisors, SAC Capital Management, Walter
                    Management and Mr. Cohen own directly no Shares. Pursuant to
                    investment management agreements, each of SAC Capital
                    Advisors and SAC Capital Management share all investment and
                    voting power with respect to the securities held by SAC
                    MultiQuant Fund. Pursuant to an investment management
                    agreement, Walter Management maintains investment and voting
                    power with respect to the securities held by Global
                    Investments. Mr. Cohen controls each of SAC Capital
                    Advisors, SAC Capital Management and indirectly owns a 49%
                    interest in the managing member of Walter Management. By
                    reason of the provisions of Rule 13d-3 of the Securities
                    Exchange Act of 1934, as amended, each of (i) SAC Capital
                    Advisors, SAC Capital Management and Mr. Cohen may be deemed
                    to own beneficially 60,153 Shares (constituting less than
                    0.1% of the Shares outstanding) and (ii) Walter Management
                    and Mr. Cohen may be deemed to own beneficially 300,000
                    shares (constituting approximately 0.3% of the Shares
                    outstanding). Each of SAC Capital Advisors, SAC Capital
                    Management, Walter Management and Mr. Cohen disclaim
                    beneficial ownership of any of the securities covered by
                    this statement.

Item 5              Ownership of Five Percent or Less of a Class:
                    --------------------------------------------

                    If this statement is being filed to report the fact that as
                    of the date hereof the reporting person has ceased to be the
                    beneficial owner of more than five percent of the class of
                    securities, check the following.   [X]

Item 6              Ownership of More than Five Percent on Behalf of Another
                    --------------------------------------------------------
                    Person:
                    ------

                    Not Applicable

                                  Page 8 of 10





Item 7              Identification and Classification of the
                    ----------------------------------------
                    Subsidiary Which Acquired the Security Being
                    --------------------------------------------
                    Reported on By the Parent Holding Company:
                    -----------------------------------------

                    Not Applicable

Item 8              Identification and Classification of Members
                    --------------------------------------------
                    of the Group:
                    ------------

                    Not Applicable

Item 9              Notice of Dissolution of Group:
                    ------------------------------

                    Not Applicable

Item 10             Certification:
                    -------------

         By signing below the signatory certifies that, to the best of his
knowledge and belief, the securities referred to above were not acquired and are
not held for the purpose of or with the effect of changing or influencing the
control of the issuer of the securities and were not acquired and are not held
in connection with or as a participant in any transaction having that purpose or
effect.

                                  Page 9 of 10




                                    SIGNATURE
                                    ---------

     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

Dated:  February 14, 2008

S.A.C. CAPITAL ADVISORS, LLC


By:     /s/ Peter Nussbaum
        -----------------------------
Name:   Peter Nussbaum
Title:  Authorized Person


S.A.C. CAPITAL MANAGEMENT, LLC


By:     /s/ Peter Nussbaum
        -----------------------------
Name:   Peter Nussbaum
Title:  Authorized Person


WALTER CAPITAL MANAGEMENT, LLP


By:     /s/ Peter Nussbaum
        -----------------------------
Name:   Peter Nussbaum
Title:  Authorized Person


STEVEN A. COHEN


By:     /s/ Peter Nussbaum
        -----------------------------
Name:   Peter Nussbaum
Title:  Authorized Person

                                 Page 10 of 10