<SUBMISSION>
<ACCESSION-NUMBER>0001070235-04-000138
<TYPE>6-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20041216
<FILING-DATE>20041216
<DATE-OF-FILING-DATE-CHANGE>20041216
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>RESEARCH IN MOTION LTD
<CIK>0001070235
<ASSIGNED-SIC>3661
<IRS-NUMBER>000000000
<FISCAL-YEAR-END>0228
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>6-K
<ACT>34
<FILE-NUMBER>000-29898
<FILM-NUMBER>041206569
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>295 PHILLIP ST
<STREET2>WATERLOO
<CITY>ONTARIO CANADA
<STATE>A6
<ZIP>00000
<PHONE>5198887465
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>295 PHILLIP STREET
<STREET2>WATERLOO, ONTARIO N2L 3W8
<CITY>ONTARIO
<STATE>A6
<ZIP>N2L 3W8
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>pr121604.htm
<TEXT>
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     <!-- Control Number: pr050404                                                         -->
     <!-- Rev Number:     001                                                              -->
     <!-- Client Name:    Research In Motion Limited                                       -->
     <!-- Project Name:   3 Press Releases                                                 -->
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     <TITLE>PR121604</TITLE>
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<TD><div align="center"><font face="Times New Roman, Times, Serif" size=2><u><b>FORM
  6-K</b></u></font><BR><A NAME=A003></A></div><P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>SECURITIES
AND EXCHANGE COMMISSION </FONT></P>

<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Washington, D.C. 20549 </FONT></P>

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<A NAME=A005></A>
<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Report of Foreign
Private Issuer </FONT></P>

<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Pursuant to Rule 13a-16
or 15d-16 of </FONT></P>

<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>the Securities Exchange Act
of 1934 </FONT></P>
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</TD>
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<BR>
<p>&nbsp;</p>
<table width="600" border="0">
  <tr>
    <td width="230">For the month of</td>
    <td width="236"><b>December</b>
      <hr>
    </td>
    <td width="112"><b>2004</b>
      <hr>
    </td>
  </tr>
  <tr>
    <td width="230"><font face="Times New Roman, Times, Serif" size=2>Commission
      File Number</font></td>
    <td width="236"><b><font face="Times New Roman, Times, Serif" size=2>000-29898
      </font></b>
      <hr>
      <b><font face="Times New Roman, Times, Serif" size=2> </font></b></td>
    <td width="112">
      &nbsp;<hr>
    </td>
  </tr>
  <tr>
    <td colspan="3">
      <div align="center"> <font face="Times New Roman, Times, Serif" size=3><b>Research
        In Motion Limited</b> </font>
        <hr>
        (Translation of registrant&#146;s name into English)</div>
    </td>
  </tr>
  <tr>
    <td colspan="3">
      <div align="center">295 Phillip Street, <br>
        Waterloo, Ontario, Canada <br>
        N2L 3W8 </div>
    </td>
  </tr>
  <tr>
    <td colspan="3">
      <div align="center"><font face="Times New Roman, Times, Serif" size=2>(Address
        of principal executive offices) </font></div>
    </td>
  </tr>
</table>

<P>&nbsp;</P>

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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark whether the registrant files or will file annual reports under cover Form
20-F or Form 40F.  </FONT></TD></TR>
</TABLE>
<div align="center"><BR>
  <table width="427" border="0">
    <tr>
      <td width="200"><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Form 20-F
        ___________</font></td>
      <td width="217"><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Form 40-F_____<u>X</u>_______</font></td>
    </tr>
  </table>
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<br>
<TABLE WIDTH=600 CELLSPACING=0 CELLPADDING=0 BORDER=0>
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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark         if the registrant is submitting the Form&nbsp;6-K in paper as
permitted         by Regulation&nbsp;S-T Rule&nbsp;101(b)(1):________________  </FONT></TD></TR>
</TABLE>
<BR>

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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark if   the registrant is submitting the Form&nbsp;6-K in paper as permitted
by Regulation&nbsp;S-T   Rule&nbsp;101(b)(7):________________  </FONT></TD></TR>
</TABLE>
<BR>

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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark whether by furnishing the information contained in this Form, the
registrant is also thereby furnishing the information to the Commission pursuant to Rule
12g3-2(b) under the Securities Exchange Act of 1934.  </FONT></TD></TR>
</TABLE>
<div align="center"><BR>
  <table width="441" border="0">
    <tr>
      <td> <FONT FACE="Times New Roman, Times, Serif" SIZE=2>Yes__________________</font></td>
      <td><FONT FACE="Times New Roman, Times, Serif" SIZE=2>No________<u>X</u>__________</font></td>
    </tr>
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  <br>
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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
"Yes" is marked, indicate below the file number assigned to the registrant   in
connection with Rule 12g3-2(b) : 82-_______________  </FONT></TD></TR>
</TABLE>
<BR>

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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>DOCUMENT INDEX </FONT></H1>
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<A NAME=A011></A>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2><I>&nbsp;&nbsp;&nbsp;
  .</I> </FONT></P>

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        <p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Document</FONT></p>
        <p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>1. </FONT></p><BR><BR>
 </div>
    </TD>

    <TD ALIGN=LEFT WIDTH=81%>
      <p>&nbsp;</p>
      <p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>News Release dated December 16, 2004
 (&#147;BT Introduces "BlackBerry Built-In" To UK Customers&quot;)</FONT></p>


    </TD>

    <TD WIDTH=11%>
      <P ALIGN=center><FONT FACE="Times New Roman, Times, Serif" SIZE=2> Page
        No</FONT></P>
      <P ALIGN=center><FONT FACE="Times New Roman, Times, Serif" SIZE=2>4 </FONT></P><BR>


    </TD>
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                    <BR>


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<P ALIGN=RIGHT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Document 1 </FONT></P>
<HR SIZE=5 COLOR=GRAY NOSHADE>


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<A NAME=A001></A>
<P ALIGN=RIGHT><FONT FACE="Times New Roman, Times, Serif" SIZE=3><b>December 16, 2004</b> </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Major Left Bold" FSL="Default" -->
<A NAME=A002></A>
<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=4>FOR IMMEDIATE RELEASE </FONT></H1>

<!-- MARKER FORMAT-SHEET="Head Major Left Bold" FSL="Default" -->
<A NAME=A003></A>
<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=4>BT Introduces
&#147;BlackBerry Built-In&#148; To UK Customers </FONT></H1>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3><B>London, UK and Waterloo, ON
</B>&#150; Following BT&#146;s recent announcement of plans to sell the BlackBerry&reg;
wireless solution (including the BlackBerry 7230&#153; and BlackBerry 7730&#153;) as a
Mobile Virtual Network Operator (MVNO), BT has now also reached agreement with Siemens and
Research In Motion (RIM) (Nasdaq: RIMM; TSX: RIM) to offer the Siemens SK65 handset with
BlackBerry Built-In&#153; technology. The Siemens SK65 is the first mobile phone to offer
BlackBerry Email&#153;, BlackBerry Calendar&#153; and BlackBerry Browser&#153;
applications through RIM&#146;s BlackBerry Built-In&#153; licensing program. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>With BlackBerry Built-In&#153;
technology, BT Mobile customers can benefit from &#145;always on&#146;, push-based access
to their calendar and inbox via the Siemens SK65. Emails received on their desktop
computer are automatically sent to their mobile phone, which is synchronized wirelessly
with the office system. The Siemens SK65 has a large color screen and incorporates a full
sized keyboard, revealed by twisting open the phone, so people can write emails and
documents quickly and easily while on the move. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Larry Conlee, Chief Operating Officer
at RIM, said: &#147;The SK65 incorporates BlackBerry email, calendar and browser
applications with support for push-based BlackBerry services. We are pleased to see BT
expand its portfolio to include the Siemens SK65 with BlackBerry Built-In&#153;.&#148; </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Steve Andrews, BT Group chief of
mobility and convergence, said: &#147;This deal with RIM to offer BlackBerry
Built-In&#153; technology epitomizes the type of device combining voice and data which we
believe will be in demand by our increasingly mobile business customers. BT is working
towards offering the world&#146;s first, fully-converged fixed-mobile service which will
provide our customers with access to all their applications and information, on their
choice of device, utilizing the best network available.&#148; </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Steven Evans, chief executive of BT
Mobile, said: &#147;It&#146;s important we work with partners who share our vision and
have a range of devices that suit the business lifestyles of all our customers, which is
why we have chosen Siemens as a key provider. Our commitment to bringing innovative new
products to market is highlighted with the launch of the SK65 which will allow our
customers to benefit from the convenience of accessing voice and data services on one
mobile handset.&#148; </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Jonathan Bate, Vice President,
Siemens Communications North Europe, said: &#147;We&#146;re delighted to be selected as a
leading supplier of devices for the business market. We truly believe that the market is
heading towards a converged future, which reflects our development of devices that appeal
in particular to business people on the move, wherever they are. The SK65 is a perfect
device for BT&#146;s strong base of corporate customers. The innovative technology,
combined with the design of the handset, makes it the perfect solution for today&#146;s
mobile workforce.&#148; </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Major Center Bold 1" FSL="Default" -->

<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=3>&#151; more &#151; </FONT></H1>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>The SK65 has 64MB internal memory for
managing large amounts of data and up to 30MB free for storing personal information such
as emails and Java&#153; applications. Perfect for business travelers, the tri-band
functionality means customers can use it almost anywhere in the world and its language
function provides a personal phrasebook. The SK65 is also compatible with Siemens&#146;
new HKW-600 Bluetooth car kit, which links to mobile phones via Bluetooth, meaning there
is no need to worry about connection cables between your handset and the car kit. </FONT></P>


  <H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=3>##</FONT></H1>
<b>Media Contacts:</b><br>
Tilly Quanjer, RIM Europe, tel: +44 (0)1784 223987, email: tquanjer@rim.com<br>
Courtney Flaherty, Brodeur Worldwide, tel: +1 212.771.3637, email: cflaherty@brodeur.com<br><br>

Jon Carter, BT Press office, BT Retail, tel: 020 7356 4523<br>
Rebecca Cusa, Fishburn Hedges, tel: 020 7839 4321<br><br>

Simon Robinson at Siemens mobile, tel: 01344 850301<br>
Helen Searle at Weber Shandwick, tel: 0207 067 0253<br><br>

<b>Investor Contact:</b><br>
RIM Investor Relations<br>
(519) 888-7465<br>
investor_relations@rim.com<br><br>




<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>About BT Group plc </FONT></H1>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>BT Group plc is the holding company
for an integrated group of communications businesses and is listed on stock exchanges in
London and New York. British Telecommunications plc (BT) is a wholly-owned subsidiary of
BT Group<I> </I>and encompasses virtually all businesses and assets of the BT Group. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>BT is one of the world&#146;s leading
providers of communications solutions serving customers in Europe<I>,</I> the Americas and
Asia Pacific. Its principal activities include network centric Information and
Communications Technology (ICT) solutions, local, national and international
telecommunications services, and higher-value broadband and internet products and
services. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>BT consists principally of three
lines of business: </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>BT Retail, providing fixed and mobile
communications services and solutions to over 20 million business and residential
customers in the UK. It is also a leading UK internet services provider. BT Wholesale,
providing network services and solutions within the UK to over 600 fixed and mobile
operators and to service providers including the provision of broadband, Private Circuits
and PSTN. </FONT></P>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>BT Global Services, providing ICT
services internationally to meet the needs of multi-site organisations with European
operations. BT Global Services operates in 136 countries and also offers international
carrier services. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>In the year ended 31 March 2004, BT
Group&#146;s turnover was<I> </I>&pound;18,519 million with profit before goodwill
amortisation, exceptional items and taxation of &pound;2,013 million. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>For more information, visit
<U>www.btplc.com</U> </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Major Left Bold" FSL="Default" -->
<A NAME=A006></A>
<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>About Research In Motion </FONT></H1>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Research In Motion is a leading
designer, manufacturer and marketer of innovative wireless solutions for the worldwide
mobile communications market. Through the development of integrated hardware, software and
services that support multiple wireless network standards, RIM provides platforms and
solutions for seamless access to time-sensitive information including email, phone, SMS
messaging, Internet and intranet-based applications. RIM technology also enables a broad
array of third party developers and manufacturers to enhance their products and services
with wireless connectivity to data. RIM&#146;s portfolio of award-winning products,
services and embedded technologies are used by thousands of organizations around the world
and include the BlackBerry&reg; wireless platform, the RIM Wireless Handheld&#153; product
line, software development tools, radio-modems and software/hardware licensing agreements.
Founded in 1984 and based in Waterloo, Ontario, RIM operates offices in North America,
Europe and Asia Pacific. RIM is listed on the Nasdaq Stock Market (Nasdaq: RIMM) and the
Toronto Stock Exchange (TSX: RIM). For more information, visit <U>www.rim.com </U>or
<U>www.blackberry.com</U>. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Forward-looking statements in this
news release are made pursuant to the &#147;safe harbor&#148; provisions of the United
States Private Securities Litigation Reform Act of 1995. When used herein, words such as
&#147;intend&#148; and similar expressions are intended to identify forward-looking
statements. Forward-looking statements are based on assumptions made by and information
available to Research In Motion Limited. Investors are cautioned that such forward-looking
statements involve risks and uncertainties. Important factors that could cause actual
results to differ materially from those expressed or implied by such forward looking
statements include, without limitation, possible product defects and product liability,
risks related to international sales and potential foreign currency exchange fluctuations,
the initiation or outcome of litigation, acts or potential acts of terrorism,
international conflicts, significant fluctuations of quarterly operating results, changes
in Canadian and foreign laws and regulations, continued acceptance of RIM&#146;s products,
increased levels of competition, technological changes and the successful development of
new products, dependence on third-party networks to provide services, dependence on
intellectual property rights and other risks and factors detailed from time to time in
RIM&#146;s periodic reports filed with the United States Securities and Exchange
Commission, and other regulatory authorities. The Company has no intention or obligation
to update or revise any forward-looking statements, whether as a result of new
information, future events or otherwise. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>The BlackBerry and RIM families of
related marks, images and symbols are the exclusive properties and trademarks of Research
In Motion Limited. RIM, Research In Motion and BlackBerry are registered with the U.S.
Patent and Trademark Office and may be pending or registered in other countries. All other
brands, product names, company names, trademarks and service marks are the properties of
their respective owners. </FONT></P>








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<TD><H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>SIGNATURES
</FONT></H1>
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<TD><P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
  to the requirements of the Securities Exchange Act of 1934, the registrant has   duly
caused this report to be signed on its behalf by the undersigned, thereunto   duly
authorized. </FONT></P><P>&nbsp;
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<p></P><table width="600" border="0"><tr><td width="33">&nbsp;</td><td width="209">&nbsp;</td><td colspan="2"><div align="center"><b><font face="Times New Roman, Times, Serif" size=3>Research
        In Motion Limited </font></b></div><hr><div align="center">(Registrant) </div></td></tr><tr><td width="33">Date:</td><td width="209"><div align="center"><u>December 16, 2004</u></div></td><td width="59">By:</td><td width="271">/s/ Rob Duncan <hr><div align="center">(Signature)
</div></td></tr><tr><td width="33">&nbsp;</td><td width="209">&nbsp;</td><td width="59">&nbsp;</td><td width="271">Rob Duncan</td></tr><tr><td width="33">&nbsp;</td><td width="209">&nbsp;</td><td width="59">&nbsp;</td><td width="271">Vice President, Corporate Controller</td></tr></table>


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