SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)


             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED
                            PURSUANT TO RULE 13d-2(b)

                                 (Amendment No.  )
                              Mercer International Inc.
 -------------------------------------------------------------------------------
                                (Name of Issuer)


                     Common Stock, $1 Par Value Per Share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    588056101
 -------------------------------------------------------------------------------
                                 (CUSIP Number)


                                 May 11, 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 information required in 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 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).



CUSIP No.   588056101
            ---------------------


1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

     Hound Partners, 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

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5.   SOLE VOTING POWER

     0

6.   SHARED VOTING POWER

     1,932,253

7.   SOLE DISPOSITIVE POWER

     0

8.   SHARED DISPOSITIVE POWER

     1,932,253

9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     0

10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                             [_]

11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     5.33%

12.  TYPE OF REPORTING PERSON

     OO



CUSIP No.   588056101
            ---------------------


1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

     Hound Performance, 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

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5.   SOLE VOTING POWER

     0

6.   SHARED VOTING POWER

     1,932,253

7.   SOLE DISPOSITIVE POWER

     0

8.   SHARED DISPOSITIVE POWER

     1,932,253

9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,932,253

10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                             [_]

11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     5.33%

12.  TYPE OF REPORTING PERSON

     OO



CUSIP No.   588056101
            ---------------------


1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

     Jonathan Auerbach

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

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5.   SOLE VOTING POWER

     0

6.   SHARED VOTING POWER

     1,932,253

7.   SOLE DISPOSITIVE POWER

     0

8.   SHARED DISPOSITIVE POWER

     1,932,253

9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,932,253

10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                             [_]

11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     5.33%

12.  TYPE OF REPORTING PERSON

     IN



CUSIP No.   588056101
            ---------------------


1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

     Hound Partners, LP

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

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5.   SOLE VOTING POWER

     0

6.   SHARED VOTING POWER

     956,039

7.   SOLE DISPOSITIVE POWER

     0

8.   SHARED DISPOSITIVE POWER

     956,039

9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     0

10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                             [_]

11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     2.64%

12.  TYPE OF REPORTING PERSON

     PN



CUSIP No.   588056101
            ---------------------


1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

     Hound Partners Offshore Fund, LP

2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                         (a) [_]
                                                                         (b) [x]

3.   SEC USE ONLY



4.   CITIZENSHIP OR PLACE OF ORGANIZATION

     Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5.   SOLE VOTING POWER

     0

6.   SHARED VOTING POWER

     976,214

7.   SOLE DISPOSITIVE POWER

     0

8.   SHARED DISPOSITIVE POWER

     976,214

9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     0

10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                             [_]

11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     2.64%

12.  TYPE OF REPORTING PERSON

     PN



 CUSIP No.   588056101
            ---------------------


Item 1(a).  Name of Issuer:


            Mercer International Inc.
            --------------------------------------------------------------------

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

            14900 INTERURBAN AVENUE SOUTH
	    SUITE 282
	    SEATTLE WA 98168


            --------------------------------------------------------------------


Item 2(a) - (c).  Name Principal Business Address, and Citizenship of Person
                  Filing:

            Hound Partners, LLC
            101 Park Avenue, 48th Floor
            New York, NY 10178

            Hound Performance, LLC
            101 Park Avenue, 48th Floor
            New York, NY 10178

            Jonathan Auerbach
            101 Park Avenue, 48th Floor
            New York, NY 10178

            Hound Partners, LP
            101 Park Avenue, 48th Floor
            New York, NY 10178

            Hound Partners Offshore Fund, LP
            c/o Citco Fund Services (Curacao) N.V.
            Kaya Flamboyan 9
            P.O. Box 4774
            Willemstad, Curacao
            Netherlands Antilles

            --------------------------------------------------------------------

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


            Common Stock, $1 Par Value Per Share
            --------------------------------------------------------------------

Item 2(e).  CUSIP Number:


            588056101
            --------------------------------------------------------------------


Item 3.     If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b)
            or (c), Check Whether the Person Filing is a:

     (a)  [_]  Broker or dealer registered under Section 15 of the Exchange Act.

     (b)  [_]  Bank as defined in Section 3(a)(6) of the Exchange Act.

     (c)  [_]  Insurance  company as defined in Section 3(a)(19) of the Exchange
               Act.

     (d)  [_]  Investment  company  registered under Section 8 of the Investment
               Company Act.

     (e)  [_]  An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

     (f)  [_]  An employee  benefit plan or endowment  fund in  accordance  with
               Rule 13d-1(b)(1)(ii)(F);

     (g)  [_]  A parent  holding  company or control  person in accordance  with
               Rule 13d-1(b)(1)(ii)(G);

     (h)  [_]  A savings  association  as defined in Section 3(b) of the Federal
               Deposit Insurance Act;

     (i)  [_]  A  church  plan  that  is  excluded  from  the  definition  of an
               investment  company  under  Section  3(c)(14)  of the  Investment
               Company Act;

     (j)  [_]  Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

Item 4.  Ownership.

     Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

     (a)  Amount beneficially owned:

          Hound Partners, LLC                                   1,932,253 shares
          Hound Performance, LLC                                1,932,253 shares
          Jonathan Auerbach                                     1,932,253 shares
          Hound Partners, LP                                    956,039 shares
          Hound Partners Offshore Fund, LP                      976,214 shares
          ----------------------------------------------------------------------

     (b)  Percent of class:

          Hound Partners, LLC                                              5.33%
          Hound Performance, LLC                                           5.33%
          Jonathan Auerbach                                                5.33%
          Hound Partners, LP                                               2.64%
          Hound Partners Offshore Fund, LP                                 2.64%
          ----------------------------------------------------------------------

     (c) Number of shares as to which such person has:

          (i) Sole power to vote or to direct the vote

          Hound Partners, LLC                                           0 shares
          Hound Performance, LLC                                        0 shares
          Jonathan Auerbach                                             0 shares
          Hound Partners, LP                                            0 shares
          Hound Partners Offshore Fund, LP                              0 shares
          ---------------------------------------------------------------------,

          (ii) Shared power to vote or to direct the vote

          Hound Partners, LLC                                   1,932,253 shares
          Hound Performance, LLC                                1,932,253 shares
          Jonathan Auerbach                                     1,932,253 shares
          Hound Partners, LP                                      956,039 shares
          Hound Partners Offshore Fund, LP                        976,214 shares
          ---------------------------------------------------------------------,

          (iii) Sole power to dispose or to direct the disposition of

          Hound Partners, LLC                                           0 shares
          Hound Performance, LLC                                        0 shares
          Jonathan Auerbach                                             0 shares
          Hound Partners, LP                                            0 shares
          Hound Partners Offshore Fund, LP                              0 shares
         ----------------------------------------------------------------------,

          (iv) Shared power to dispose or to direct the disposition of

          Hound Partners, LLC                                   1,932,253 shares
          Hound Performance, LLC                                1,932,253 shares
          Jonathan Auerbach                                     1,932,253 shares
          Hound Partners, LP                                      956,039 shares
          Hound Partners Offshore Fund, LP                        976,214 shares
         ----------------------------------------------------------------------,

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 [ ].

         N/A
         -----------------------------------------------------------------------

Item 6.  Ownership of More Than Five Percent on Behalf of Another Person.

     If any other person is known to have the right to receive or the power to
direct the receipt of dividends from, or the proceeds from the sale of, such
securities, a statement to that effect should be included in response to this
item and, if such interest relates to more than five percent of the class, such
person should be identified. A listing of the shareholders of an investment
company registered under the Investment Company Act of 1940 or the beneficiaries
of employee benefit plan, pension fund or endowment fund is not required.

         N/A
         -----------------------------------------------------------------------

Item 7.  Identification and Classification of the Subsidiary Which Acquired
         the Security Being Reported on by the Parent Holding Company or Control
         Person.

     If a parent holding company or Control person has filed this schedule,
pursuant to Rule 13d-1(b)(1)(ii)(G), so indicate under Item 3(g) and attach an
exhibit stating the identity and the Item 3 classification of the relevant
subsidiary. If a parent holding company or control person has filed this
schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating
the identification of the relevant subsidiary.

         N/A
         -----------------------------------------------------------------------

Item 8.  Identification  and  Classification  of Members of the Group.

     If a group has filed this schedule pursuant to ss.240.13d-1(b)(1)(ii)(J),
so indicate under Item 3(j) and attach an exhibit stating the identity and Item
3 classification of each member of the group. If a group has filed this schedule
pursuant to ss.240.13d-1(c) or ss.240.13d-1(d), attach an exhibit stating the
identity of each member of the group.

         N/A
         -----------------------------------------------------------------------

Item 9.  Notice of Dissolution of Group.

     Notice of dissolution of a group may be furnished as an exhibit stating the
date of the dissolution and that all further filings with respect to
transactions in the security reported on will be filed, if required, by members
of the group, in their individual capacity. See Item 5.

          N/A
          ----------------------------------------------------------------------

Item 10.  Certifications.

          By signing below I certify that, to the best of my 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 such purpose or effect.

                                     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.


                                            May 18, 2007
                               ----------------------------------------
                                               (Date)


                               HOUND PARTNERS, LLC (1)

                               By:  /s/ Jonathan Auerbach
                                    --------------------------------------------
                                    Jonathan Auerbach, Managing Member

                               HOUND PERFORMANCE, LLC (1)

                               By:  /s/ Jonathan Auerbach
                                    --------------------------------------------
                                    Jonathan Auerbach, Managing Member

                                    /s/ Jonathan Auerbach (1)
                                    --------------------------------------------
                                          JONATHAN AUERBACH

                               HOUND PARTNERS, LP (1)

                               By:  Hound Performance, LLC, its general partner

                               By:  /s/ Jonathan Auerbach
                                    --------------------------------------------
                                    Jonathan Auerbach, Managing Member

                               HOUND PARTNERS OFFSHORE FUND, LP (1)

                               By:  Hound Performance, LLC, its general partner

                               By:  /s/ Jonathan Auerbach
                                    --------------------------------------------
                                    Jonathan Auerbach, Managing Member


(1)  The Reporting Persons disclaim beneficial ownership except to the extent of
     their pecuniary interest therein.



                                                                       EXHIBIT A

                                    AGREEMENT


          The  undersigned  agree that this  Schedule  13G dated  May 18, 2007
relating  to the  Common  Stock,  $1 par value per share of Mercer International

 Inc. shall be filed on behalf of the undersigned.

                                HOUND PARTNERS, LLC

                                By:  /s/ Jonathan Auerbach
                                    --------------------------------------------
                                     Jonathan Auerbach, Managing Member

                                HOUND PERFORMANCE, LLC

                                By:  /s/ Jonathan Auerbach
                                    --------------------------------------------
                                     Jonathan Auerbach, Managing Member

                                     /s/ Jonathan Auerbach
                                    --------------------------------------------
                                     Jonathan Auerbach

                                HOUND PARTNERS, LP

                                By:  Hound Performance, LLC, its general partner

                                By:  /s/ Jonathan Auerbach
                                    --------------------------------------------
                                     Jonathan Auerbach, Managing Member

                                HOUND PARTNERS OFFSHORE FUND, LP

                                By:  Hound Performance, LLC, its general partner

                                By:  /s/ Jonathan Auerbach
                                    --------------------------------------------
                                     Jonathan Auerbach, Managing Member