SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (RULE 13d - 102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b) (Amendment No.___)* Cell Therapeutics, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 150934107 (CUSIP Number) October 31, 2005 (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 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). (Continued on the Following Pages) 1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Paloma International L.P. 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [x] (b) [ ] 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 4,727,477 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 4,727,477 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,727,477 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [X] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.4% 12. TYPE OF REPORTING PERSON* PN *SEE INSTRUCTIONS BEFORE FILLING OUT! 1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) S. Donald Sussman 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [x] (b) [ ] 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 4,727,477 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 4,727,477 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,727,477 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [X] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.4% 12. TYPE OF REPORTING PERSON* IN *SEE INSTRUCTIONS BEFORE FILLING OUT! 1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Linden Advisors LP 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [x] (b) [ ] 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 0 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 4,727,477 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,727,477 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [X] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.4% 12. TYPE OF REPORTING PERSON* PN *SEE INSTRUCTIONS BEFORE FILLING OUT! 1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Linden Capital LP 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [x] (b) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Bermuda NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 3,412,075 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 3,412,075 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,412,075 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [X] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 4.7% 12. TYPE OF REPORTING PERSON* PN *SEE INSTRUCTIONS BEFORE FILLING OUT! 1. NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Siu Min Wong 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [x] (b) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION China NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 3,412,075 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 6,968,840 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,968,840 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [X] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 9.5% 12. TYPE OF REPORTING PERSON* IN *SEE INSTRUCTIONS BEFORE FILLING OUT! ITEM 1(a). Name of Issuer: Cell Therapeutics, Inc. (the "Issuer"). Item 1(b). Address of Issuer's Principal Executive Offices: 501 Elliott Avenue West, Suite 400 Seattle, Washington 98119 Item 2(a). Name of Persons Filing: The names of the persons filing this statement on Schedule 13G are: Paloma International L.P., a Delaware limited partnership ("Paloma"), S. Donald Sussman ("Mr. Sussman"), Linden Advisors LP, a Delaware limited partnership ("Linden Advisors"), Linden Capital L.P., a Bermuda limited partnership ("Linden Capital"), and Siu Min Wong ("Mr. Wong," and collectively, the "Reporting Persons"). Item 2(b). Address of Principal Business Office or, if None, Residence: The principal business address for Paloma is Two American Lane, Greenwich, Connecticut 06836. The principal business address for Mr. Sussman is 6100 Red Hook Quarter, 18B, Suites C, 1-6, St. Thomas, United States Virgin Islands 00802. The principal business address for Linden Capital is 18 Church Street, Skandia House, Hamilton, HM 11, Bermuda. The principal business address for each of Linden Advisors and Mr. Wong is 450 Park Avenue, 30th Floor, New York, New York 10022. Item 2(c). Citizenship: Each of Paloma and Linden Advisors is a Delaware limited partnership. Linden Capital is a Bermuda limited partnership. Mr. Sussman is a citizen of the United States. Mr. Wong is a citizen of China. Item 2(d). Title of Class of Securities Common Stock, no par value (the "Common Stock"). Item 2(e). CUSIP Number: 150934107 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 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). If this statement is filed pursuant to Rule 13d-1(c), check this box [x] 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: The Reporting Persons collectively beneficially own 6,968,840 shares of Common Stock consisting of: (i) 5,798,128 shares of Common Stock, and (ii) an aggregate of 1,170,712 shares of Common Stock into which the Issuer's warrants ("Warrants") are exercisable for and/or which the Issuer's other notes owned by the Reporting Persons ("Notes") are convertible into. The Reporting Persons disclaim beneficial ownership of any and all shares of Common Stock that would cause the Reporting Persons' aggregate beneficial ownership to exceed the Ownership Limitation (as defined below). In accordance with Rule 13d-4 under the Securities Exchange Act of 1934, as amended, because the number of shares of Common Stock into which the Reporting Persons' Notes and Warrants are convertible or exercisable, as applicable, are limited, pursuant to the terms of such instruments, to that number of shares of Common Stock which would result in the Reporting Persons having aggregate beneficial ownership of 9.5% of the total issued and outstanding shares of Common Stock (the "Ownership Limitation"), the Reporting Persons disclaim beneficial ownership of any and all shares of Common Stock that would cause the Reporting Persons' aggregate beneficial ownership to exceed the Ownership Limitation. (b) Percent of class: The Reporting Persons have beneficial ownership of 6,968,840 shares of Common Stock constituting 9.5% of all of the outstanding shares of Common Stock. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote Not applicable. (ii) Shared power to vote or to direct the vote Paloma and Mr. Sussman have shared power to vote or direct the vote of the 4,727,477 shares of Common Stock owned by Paloma. Linden Capital and Mr. Wong have shared power to vote or direct the vote of the 3,412,075 shares of Common Stock owned by Linden Capital. (iii) Sole power to dispose or to direct the disposition of Not applicable. (iv) Shared power to dispose or to direct the disposition of Paloma, Mr. Sussman, Linden Advisors and Mr. Wong have shared power to dispose or direct the disposition of the 4,727,477 shares of Common Stock owned by Paloma. Linden Capital and Mr. Wong have shared power to dispose or direct the disposition of the 3,412,075 shares of Common Stock owned by Linden Capital. 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 Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ ]. Item 6. Ownership of More than Five Percent on Behalf of Another Person. Not applicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company. Paloma holds its 4,727,477 shares of Common Stock that it beneficially owns through its wholly-owned subsidiary, Sunrise Partners Limited Partnership, a Delaware limited partnership. Item 8. Identification and Classification of Members of the Group. See Exhibit B attached hereto. Item 9. Notice of Dissolution of Group. Not applicable. Item 10. Certification. By signing below the undersigned certifies that, to the best of its 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. SIGNATURES After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct. Dated: November 10, 2005 PALOMA INTERNATIONAL L.P. By: Paloma GP LLC, general partner By: /s/ Michael J. Berner --------------------- Michael J. Berner Vice President /s/ S. Donald Sussman --------------------- S. Donald Sussman LINDEN ADVISORS LP By: Linden HLD LLC, general partner By: Siu Min Wong ------------ Siu Min Wong, Managing Member LINDEN CAPITAL L.P. By: Linden GP LLC, general partner By: /s/ Siu Min Wong ---------------- Siu Min Wong, Managing Member /s/ Siu Min Wong ---------------- Siu Min Wong EXHIBIT A JOINT FILING AGREEMENT The undersigned hereby agree that the statement on Schedule 13G with respect to the Common Stock of Cell Therapeutics, Inc. dated November 10, 2005 is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. Dated: November 10, 2005 PALOMA INTERNATIONAL L.P. By: Paloma GP LLC, general partner By: /s/ Michael J. Berner --------------------- Michael J. Berner Vice President /s/ S. Donald Sussman --------------------- S. Donald Sussman LINDEN ADVISORS LP By: Linden HLD LLC, general partner By: Siu Min Wong ------------ Siu Min Wong, Managing Member LINDEN CAPITAL L.P. By: Linden GP LLC, general partner By: /s/ Siu Min Wong ---------------- Siu Min Wong, Managing Member /s/ Siu Min Wong ---------------- Siu Min Wong EXHIBIT B IDENTIFICATION OF MEMBERS OF THE GROUP Paloma International L.P. S. Donald Sussman Linden Advisors LP Linden Capital L.P. Siu Min Wong