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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 20 - F ( Mark One ) □ REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31,2020 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Title of each class Common units representing limited partnership interests OR SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report : CAPITAL PRODUCT PARTNERS L.P. ( Exact name of Registrant as specified in its charter ) Commission file number : 1-33373 OR 3 Iassonos Street , Piraeus , 18537 Greece +30 210 458 4950 ( Address and telephone number of principal executive offices and company contact person ) Republic of the Marshall Islands ( Jurisdiction of incorporation or organization ) Gerasimos ( Jerry ) Kalogiratos , j.kalogiratos@capitalmaritime.com ( Name and email of company contact person ) Securities registered or to be registered pursuant to Section 12 ( b ) of the Act : of each of the issuer's classes of capital or common stock as of the close of the period covered by the annual report . 18,623,100 Common Units Accelerated Filer > Trading Symbol ( s ) CPLP Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None YES 348,570 General Partner Units Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . YES to YES > NO X If this report is an annual or transition report , indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 . YES > NO > Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Table of Contents NO Π Name of each exchange on which registered Nasdaq Global Select Market Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . NO Non- accelerated filer Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , or an emerging growth company . See definitions of " accelerated filer , " " large accelerated filer , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . ( Check one ) : Large accelerated filer Emerging growth company