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<PERIOD>20040816
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<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>04976846
</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
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<ZIP>N2L 3W8
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<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>pr081604.htm
<DESCRIPTION>PRESS RELEASE - SPRINT
<TEXT>
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     <!-- Control Number: pr050404                                                         -->
     <!-- Rev Number:     001                                                              -->
     <!-- Client Name:    Research In Motion Limited                                       -->
     <!-- Project Name:   3 Press Releases                                                 -->
     <!-- Firm Name:      Investor Relations                                               -->
     <TITLE>PR050404 - 3 Press Releases</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>August</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>
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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>
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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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      <div align="center">
        <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 August 16, 2004
 (&#147;Sprint and Research In Motion Announce Plans to Offer BlackBerry on the Enhanced Sprint Nationwide PCS Network&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>3 </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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         <b>Media Contacts:</b><br>
              Amy Schiska-Lombard, Sprint, 913-794-2947<br>
              amy.k.schiska@mail.sprint.com<br><br>

              Marisa Conway, Brodeur Worldwide for RIM, 212-771-3639<br>
              mconway@brodeur.com<br><br>

              <b>Investor Contacts:</b><br>
              Kurt Fawkes, Sprint, 913-794-1126<br>
              Investorrelation.sprintcom@mail.sprint.com<br><br>

              RIM Investor Relations, 519-888-7465<br>
              investor_relations@rim.com<br><br>

<A NAME=A001></A>
<P ALIGN=RIGHT><FONT FACE="Times New Roman, Times, Serif" SIZE=3><b>FOR IMMEDIATE RELEASE</b></font></p>

<p><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
<B>Sprint
and Research In Motion Announce Plans to Offer BlackBerry on the Enhanced Sprint
Nationwide PCS </B> <B>Network </B> <br><I>Expansion of corporate email and data solutions
will give Sprint business customers additional options for </I> <I>remaining productive
while on the go</I> </FONT></p>


<A NAME=A001></A>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
<B>OVERLAND PARK, Kan., &amp; WATERLOO, Ontario &#150; Aug. 16, 2004</B> &#150; Sprint (NYSE: FON) and
Research In Motion (RIM) (Nasdaq: RIMM; TSX: RIM) today announced plans to offer
BlackBerry&reg; to Sprint business customers later this year. Under terms of the
agreement, the wireless email solution will be available on select handheld devices
certified to operate on the enhanced Sprint Nationwide PCS network. </FONT></p>


<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
BlackBerry is an award-winning platform that supports wireless access to a wide range of information
and communications through email, phone, corporate data, SMS, calendar, corporate contacts
and Internet applications. The availability of BlackBerry will further enhance the
comprehensive portfolio of wireless email and mobility solutions Sprint currently offers
to help business customers meet their communication needs and enhance productivity. </FONT></p>

<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
&#147;Sprint recognizes that the BlackBerry solution has a strong following with many enterprise
customers, including government, financial and legal services,&#148; said Tim Donahue,
vice president &#150; Enterprise Marketing, Sprint Business Solutions. &#147;By combining
this popular platform with the clarity and breadth of the enhanced Sprint Nationwide PCS
Network, Sprint can provide an attractive wireless offering to better serve these
customers.&#148; </FONT></p>


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<A NAME=A001></A>
<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=3>-more- </FONT></P>
<A NAME=A001></A>
<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=3><i>
              Sprint and Research In Motion  Announce  Plans to Offer  BlackBerry  on the Enhanced  Sprint  Nationwide  PCS Network</i></font></p>



<!-- MARKER FORMAT-SHEET="Head Minor Center" FSL="Default" -->
<A NAME=A003></A>
<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>-2- </FONT></P>

<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
For corporate customers, BlackBerry Enterprise Server software tightly integrates with
Microsoft&reg; Exchange or IBM Lotus&reg; Domino&#153; (Novell GroupWise support is
expected later this year) and works with existing enterprise systems to enable secure,
push-based, wireless access to email and other corporate data. </FONT></p>


<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
&#147;We have seen significant demand to offer BlackBerry on the Sprint Nationwide PCS Network, and
we are pleased to partner with Sprint to deliver world-class products and services,&#148;
said Mark Guibert, vice president, corporate marketing at Research In Motion.
&#147;Interest in wireless data solutions continues to grow broader and deeper as
customers realize the potential personal and business benefits. Our new relationship with
Sprint will offer customers a leading network and a leading platform to support their
existing and future needs.&#148; </FONT></p>

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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
Further details regarding availability and pricing will be announced at a later date. </FONT></P>


<A NAME=A004></A>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3><b>About
Sprint </b></FONT></P>

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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
Sprint
is a global integrated communications provider serving more than 26 million&nbsp;customers
in over 100 countries.&nbsp; With more than 61,000 employees&nbsp;worldwide and over $26
billion in annual revenues in 2003, Sprint is widely recognized for developing,
engineering and deploying state-of-the-art network technologies, including the United
States&#146; first nationwide all-digital, fiber-optic network and an&nbsp;award-winning
Tier 1 Internet backbone.&nbsp;&nbsp;Sprint provides local&nbsp;communications services
in&nbsp;39&nbsp;states&nbsp;and the District of Columbia and&nbsp;operates the largest
100-percent digital, nationwide PCS wireless network in the United States. For more
information, visit <U>www.sprint.com</U>. </FONT></p>


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<A NAME=A005></A>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3><b>About
Research In Motion (RIM)</b> </FONT></P>


<P ALIGN=LEFT><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>


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<A NAME=A006></A>
<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>-more- </FONT></P>
<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=3><i>
              Sprint and Research In Motion  Announce  Plans to Offer  BlackBerry  on the Enhanced  Sprint  Nationwide  PCS Network
</i></font></p><!-- MARKER FORMAT-SHEET="Head Sub 2 Left" FSL="Default" -->

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<A NAME=A008></A>
<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>-3- </FONT></P>

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<p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
<I>Forward-looking statements in this news release are made pursuant to the &#147;safe harbor&#148;
provisions of the </I> <I>United States Private Securities Litigation Reform Act of 1995.
When used herein, words such as &#147;intend&#148; and </I> <I>similar expressions are
intended to identify forward-looking statements. Forward-looking statements are </I>
<I>based on assumptions made by and information available to Research In Motion Limited.
Investors are </I> <I>cautioned that such forward-looking statements involve risks and
uncertainties. Important factors that could </I> <I>cause actual results to differ
materially from those expressed or implied by such forward looking statements </I>
<I>include, without limitation, possible product defects and product liability, risks
related to international </I> <I>sales and potential foreign currency exchange
fluctuations, the initiation or outcome of litigation, acts or </I> <I>potential acts of
terrorism, international conflicts, significant fluctuations of quarterly operating </I>
<I>results, changes in Canadian and foreign laws and regulations, continued acceptance of
RIM&#146;s products, </I> <I>increased levels of competition, technological changes and
the successful development of new products, </I> <I>dependence on third-party networks to
provide services, dependence on intellectual property rights and other </I> <I>risks and
factors detailed from time to time in RIM&#146;s periodic reports filed with the United
States </I> <I>Securities and Exchange Commission, and other regulatory authorities. The
Company has no intention or </I> <I>obligation to update or revise any forward-looking
statements, whether as a result of new information, </I> <I>future events or otherwise.</I> </FONT></p>


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<p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
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>August 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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