UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                   FORM 12b-25

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                            SEC File Number 000-25675
                             Cusip Number 70337V108
                           NOTIFICATION OF LATE FILING



(Check one)       [_]  Form 10-K      [_] Form 20-F   [_] Form 11-K
                  [X]  Form 10-Q      [_] Form 10-D   [_] Form N-SAR
                  [_]  Form N-CSR

         For period ended:   MARCH 31, 2006
                           ---------------------------------------

         ___ Transition Report on Form 10-K

         ___ Transition Report on Form 20-F

         ___ Transition Report on Form 11-K

         ___ Transition Report on Form 10-Q

         ___ Transition Report on Form N-SAR

         For the transition period ended: ___________________________

         READ ATTACHED  INSTRUCTION SHEET BEFORE PREPARING FORM. PLEASE PRINT OR
TYPE.

         Nothing in this form shall be  construed  to imply that the  Commission
has verified any information contained herein.

         If the  notification  relates to a portion of the filing checked above,
identify the item(s) to which the notification relates:


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                                     PART I
                             REGISTRANT INFORMATION

Full name of registrant            PATRON SYSTEMS, INC.
                       ---------------------------------------------------------

Former name if applicable
                          ------------------------------------------------------

Address of principal executive office (STREET AND NUMBER)

                         5775 FLATIRON PARKWAY, SUITE 230
--------------------------------------------------------------------------------

City, state and zip code           BOULDER, COLORADO 80301
                        --------------------------------------------------------


                                    PART II
                            RULES 12B-25(b) AND (c)

         If the subject report could not be filed without unreasonable effort or
expense  and  the  registrant  seeks  relief  pursuant  to Rule  12b-25(b),  the
following should be completed. (Check box if appropriate.)

        | (a)      The reason described in reasonable detail in Part III of this
        |          form could not be eliminated X without unreasonable effort or
        |          expense;
        | (b)      The subject annual  report,  semi-annual  report,  transition
        |          report  on Form  10-K,  Form 20-F,  Form 11-K,  Form N-SAR or
   [X]  |          Form N-CSR, or portion thereof will be filed on or before the
        |          fifteenth  calendar day following the prescribed due date; or
        |          the subject  quarterly  report or  transition  report on Form
        |          10-Q or subject  distribution report on Form 10-D, or portion
        |          thereof,  will be filed on of before the fifth  calendar  day
        |          following the prescribed due date; and
        | (c)      The accountant's  statement or other exhibit required by Rule
        |          12b-25(c) has been attached if applicable.

                                    PART III
                                    NARRATIVE

         State below in reasonable detail the reasons why Form 10-K, 20-F, 11-K,
10-Q, 10-D, N-SAR, N-CSR, or the transition report or portion thereof, could not
be filed within the prescribed time period. (Attach extra sheets if needed.)

                  The  Registrant's  Form 10-QSB,  for the fiscal  quarter ended
         March 31, 2006,  could not be filed within the  prescribed  time period
         because certain  information and data relating to and necessary for the
         completion of the  Registrant's  financial  statements and management's
         discussion   and  analysis  of  financial   condition  and  results  of
         operations could not be obtained by Registrant  within such time period
         without unreasonable effort or expense.

                                     PART IV
                                OTHER INFORMATION
         (1)      Name and  telephone  number of person to  contact in regard to
this notification.

        ROBERT CROSS                       (303)                 541-1005
--------------------------------------------------------------------------------
            (Name)                      (Area Code)           (Telephone Number)


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         (2)      Have all other periodic  reports  required under Section 13 or
15(d) or the  Securities  Exchange  Act of 1934 or Section 30 of the  Investment
Company Act of 1940 during the  preceding 12 months or for such  shorter  period
that the registrant was required to file such report(s) been filed? If answer is
no, identify report(s).                                [X] Yes  [_] No

         (3)      Is it anticipated  that any  significant  change in results of
operations  from the  corresponding  period  for the last  fiscal  year  will be
reflected by the  earnings  statements  to be included in the subject  report or
portion thereof?                                       [X] Yes  [_] No

         If  so:  attach  an  explanation  of  the  anticipated   change,   both
narratively and  quantitatively,  and, if  appropriate,  state the reasons why a
reasonable estimate of the results cannot be made.

                              PATRON SYSTEMS, INC.
--------------------------------------------------------------------------------
                  (Name of Registrant as Specified in Charter)

has  caused  this  notification  to be signed on its  behalf by the  undersigned
thereunto duly authorized.

Date May 15, 2006                   By:     /s/ Robert Cross
                                            ------------------------------------
                                    Name:   Robert Cross
                                    Title:  Chief Executive Officer

         INSTRUCTION.  The form may be signed  by an  executive  officer  of the
registrant or by any other duly authorized representative. The name and title of
the person signing the form shall be typed or printed beneath the signature.  If
the  statement  is  signed  on  behalf  of  the   registrant  by  an  authorized
representative   (other   than   an   executive   officer),   evidence   of  the
representative's  authority to sign on behalf of the  registrant  shall be filed
with the form.

                                    ATTENTION

         INTENTIONAL  MISSTATEMENTS  OR  OMISSIONS  OF FACT  CONSTITUTE  FEDERAL
CRIMINAL VIOLATIONS (SEE 18 U.S.C.
1001).


                                    12b25-3




PART IV - OTHER INFORMATION

(3)      EXPLANATION OF CHANGE

The Registrant  consummated a financing  transaction and various  settlements of
outstanding  obligations  in the first  part of the  current  fiscal  year.  The
Registrant intends to file financial statements which will reflect the impact of
the financing transaction and the various settlements and anticipates that these
statements will reflect changes in the Registrant's financial condition over the
stated period.


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