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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001004878-11-000049.txt : 20110228
<SEC-HEADER>0001004878-11-000049.hdr.sgml : 20110228
<ACCEPTANCE-DATETIME>20110228112452
ACCESSION NUMBER:		0001004878-11-000049
CONFORMED SUBMISSION TYPE:	NT 10-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101130
FILED AS OF DATE:		20110228
DATE AS OF CHANGE:		20110228
EFFECTIVENESS DATE:		20110228

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Security Devices International Inc.
		CENTRAL INDEX KEY:			0001354866
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		NT 10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-132456
		FILM NUMBER:		11643958

	BUSINESS ADDRESS:	
		STREET 1:		464 OLD ORCHARD GROVE
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5M 2G4
		BUSINESS PHONE:		647-388-1117

	MAIL ADDRESS:	
		STREET 1:		464 OLD ORCHARD GROVE
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5M 2G4
</SEC-HEADER>
<DOCUMENT>
<TYPE>NT 10-K
<SEQUENCE>1
<FILENAME>form12b2510k2-11.txt
<DESCRIPTION>12B-25 FOR 10-K  NOVEMBER 30, 2010
<TEXT>
                     U.S. SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                                          SEC File Number ______
                                                          CUSIP Number _________

                                   FORM 12b-25

                           NOTIFICATION OF LATE FILING

                                  (Check One):

[X] Form 10-K [ ] Form 20-F [ ] Form 11-K [ ] Form 10-Q [ ] Form N-SAR

For Period Ended: November 30, 2010
- ------------------------------------

    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:  N/A
- ------------------------------------

Part I - Registrant Information
- ------------------------------------

Full Name of Registrant:  Security Devices International, Inc.

Former Name if Applicable:  N/A

Address of Principal Executive Office (Street and Number)

      338 Church Street

City, State and Zip Code

      Oakville, Ontario, Canada L6J 1P1

                                       1
<PAGE>

- ---------------------------------

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 reasons described in reasonable detail in Part III of this form
could not be eliminated without unreasonable effort or expense;

[X]   (b) The subject annual report, semi-annual report, or transition report 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 portion thereof will be filed on or 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 the Form 10-K, 20-F,
11-K, 10-Q, or N-SAR, or the transition report or portion thereof could not be
filed within the prescribed time period.

    The Company first became subject to the reporting requirements of the
Securities Act of 1934 on April 7, 2006. As a result, additional time is needed
to file the report.

- -----------------------------------------

Part IV - Other Information
- ---------------------------------

    (1) Name and telephone number of person to contact in regard to this
notification

              William T. Hart          (303)             839-0061
              -----------------        -----             --------
                  (Name)             (Area Code)     (Telephone Number)

                                       2
<PAGE>

    (2)  Have all other periodic reports required under Section 13 or 15(d) of
         the Securities Exchange Act of 1934 during the preceding l2 months (or
         for such shorter period that the registrant was required to file such
         reports) 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?     [ ] Yes  [X] 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.

                       Security Devices International, 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: February 25, 2010                   By   /s/ Rakesh Malhotra
                                               --------------------------------
                                               Rakesh Malhotra
                                               Chief Financial Officer
                                               338 Church Street
                                               Oakville, Ontario
                                               Canada L6J 1P1


                                    ATTENTION

     Intentional  misstatements or omissions of fact constitute Federal Criminal
Violations (See 18 U.S.C. 1001).

                                       3
<PAGE>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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