January 30, 2019

Timothy P. Noyes
Chief Executive Officer
Proteon Therapeutics, Inc.
200 West Street
Waltham, MA 02451

       Re: Proteon Therapeutics, Inc.
           Registration Statement on Form S-3
           Filed December 18, 2018
           File No. 333-228865

Dear Mr. Noyes:

       This is to advise you that we have not reviewed and will not review your
registration
statement.

        Please refer to Rules 460 and 461 regarding requests for acceleration.
We remind you
that the company and its management are responsible for the accuracy and
adequacy of their
disclosures, notwithstanding any review, comments, action or absence of action
by the staff.

       Please contact Donald Field at 202-551-3680 with any questions.



                                                            Sincerely,

                                                            Division of
Corporation Finance
                                                            Office of
Healthcare & Insurance