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                                                            EXHIBIT 23.3        

                               Patton Boggs LLP
                              2550 M Street N.W.
                            Washington, DC  20037



                                August 6, 1998


FileTek, Inc.
9400 Key West Avenue
Rockville, Maryland  20850

Gentlemen:

           We have assisted in the preparation and filing with the Securities
and Exchange Commission of a Registration Statement on Form S-1, file
No. 333-58421 (the "Registration Statement"), relating to _________ shares of
Common Stock (including ____________ shares to cover over-allotments, if any),
$.01 par value per share, of FileTek, Inc., a Delaware corporation (the
"Company"), to be offered to the public.

           We hereby consent to the use of our name in the Registration
Statement and under the caption "Legal Matters" in the related Prospectus and
consent to the filing of this opinion as an exhibit to the Registration
Statement.

                                           Very truly yours,


                                           John H. Vogel