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href="/web/20180708181550/http://www.wipo.int/about-ip/en/">About IP</a> <a class="t-hide d-hide" href="/web/20180708181550/http://www.wipo.int/about-ip/en/">About IP</a><div class="flyout"><div class="nav-group nav-group--three"><div class="nav nav--one"> <h3 class="flyout__header">Intellectual Property</h3> <ul class="flyout__list"><li><a href="/web/20180708181550/http://www.wipo.int/copyright/en/">Copyright</a></li><li><a href="/web/20180708181550/http://www.wipo.int/patents/en/">Patents</a></li><li><a href="/web/20180708181550/http://www.wipo.int/trademarks/en/">Trademarks</a></li><li><a href="/web/20180708181550/http://www.wipo.int/designs/en/">Industrial Designs</a></li><li><a href="/web/20180708181550/http://www.wipo.int/geo_indications/en/">Geographical Indications</a></li> </ul></div><div class="nav nav--two"> <h3 class="flyout__header">Training</h3> <ul class="flyout__list"><li> <a href="/web/20180708181550/http://www.wipo.int/academy/en/">WIPO Academy</a></li><li> <a href="/web/20180708181550/http://www.wipo.int/meetings/en/topic_type.jsp?group_id=242">Workshops & Seminars</a></li> </ul> <h3 class="flyout__header">IP and ...</h3> <ul class="flyout__list"> <li><a href="/web/20180708181550/http://www.wipo.int/about-ip/en/artificial_intelligence/">Artificial Intelligence</a></li> <li><a href="/web/20180708181550/http://www.wipo.int/about-ip/en/universities_research/">Universities</a></li> <li><a href="/web/20180708181550/http://www.wipo.int/women-and-ip/en/">Gender Equality</a></li> </ul> </div><div class="nav nav--three"> <h3 class="flyout__header">Raising Awareness</h3> <ul class="flyout__list"><li><a href="/web/20180708181550/http://www.wipo.int/ip-outreach/en/ipday/">World IP Day</a></li><li><a href="/web/20180708181550/http://www.wipo.int/ip-outreach/en/awards/">WIPO Awards</a></li><li><a href="/web/20180708181550/http://www.wipo.int/ip-outreach/en/tools/">Outreach Campaigns</a></li><li><a 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action="/web/20180708181550/http://www.wipo.int/tools/en/gsearch.html" class="form-search" name="searchm" id="searchm"> <input name="cx" type="hidden" value="016458537594905406506:hmturfwvzzq"> <input name="cof" type="hidden" value="FORID:11"> <label class="element-invisible" for="querym">Search</label> <input class="search-query" id="querym" name="q" placeholder="Search WIPO" type="text"> <button class="btn ss-search" title="Search"></button> </form></div> </nav><div class="container"> <div class="wrap-outer"> <div class="wrap-inner"> <ul class="nav-breadcrumb"><li><a href="https://web.archive.org/web/20180708181550/http://www.wipo.int/portal/en/">Home</a></li><li><a href="https://web.archive.org/web/20180708181550/http://www.wipo.int/reference/en/">Knowledge</a></li> <li class="active"><a href="/web/20180708181550/http://www.wipo.int/reference/en/wipopearl/">WIPO Pearl</a></li> </ul><h1>WIPO Pearl – WIPO’s Multilingual Terminology Portal</h1> <div class="content"> <div class="main"> <p class="lead">WIPO Pearl gives access to scientific and technical terms derived from patent documents. It helps promote accurate and consistent use of terms across different languages, and makes it easier to search and share scientific and technical knowledge. <a href="/web/20180708181550/http://www.wipo.int/reference/en/wipopearl/guide.html">Find out more in our user guide</a>.</p> <p><a href="https://web.archive.org/web/20180708181550/http://www.wipo.int/wipopearl/search/linguisticSearch.html" class="btn btn-large call-to-action">Linguistic Search</a> <a class="btn btn-large call-to-action" href="https://web.archive.org/web/20180708181550/http://www.wipo.int/wipopearl/search/conceptMapSearch.html">Concept Map Search</a></p> <div class="alert alert--warning"><strong>Tip!</strong> – For better user experience, we recommend using the latest browser versions and disabling ad-blocking plugins.</div> </div> <div class="complementary"> <div class="box"> <h3>Why use WIPO Pearl?</h3> <ul class="dot__list"> <li>It's developed by experienced WIPO language experts and terminologists.</li> <li>Features ten languages – Arabic, Chinese, English, French, German, Japanese, Korean, Portuguese, Russian and Spanish.</li> <li>Features <a href="/web/20180708181550/http://www.wipo.int/reference/en/wipopearl/guide.html#cm">unique concept maps</a>.</li> <li>All content has been validated and given a <a href="/web/20180708181550/http://www.wipo.int/reference/en/wipopearl/guide.html#tr">term reliability score</a>.</li> </ul> <div class="accordion" id="accordion"> <div class="accordion__group"> <div class="accordion__heading"><a class="accordion__toggle collapsed" data-parent="#accordion" data-toggle="collapse" href="#accordion__collapse__01">More features...</a></div> <div class="accordion__body collapse" id="accordion__collapse__01"> <div class="accordion__inner"> <ul class="dot__list"> <li>If there is no equivalent in the target language in the database, WIPO’s machine translation engine may offer you a translation proposal.</li> <li>It's integrated with <a href="https://web.archive.org/web/20180708181550/http://patentscope.wipo.int/" target="_blank">PATENTSCOPE</a> so you can search the entire PATENTSCOPE corpus for terms and their equivalents in other languages.</li> </ul> </div> </div> </div> </div> </div> </div> </div> <div class="content line"> <div id="wipo-news" data-layout="vertical" class="main" data-xml="/tools/en/includes/ocms_news.xml?path=/reference/en/wipopearl/news/" data-number="2"></div> <div class="complementary"><a id="wipoLnk1" class="pull-left" href="#wipoModal1" data-toggle="modal"><img src="https://web.archive.org/web/20180708181550im_/http://www.wipo.int/shared/pics/posters/wipo_pearl_600.jpg" alt=""/></a> <div id="wipoModal1" class="modal hide fade" style="display: none;" tabindex="0"> <div class="modal-body"><video width="300" height="150" style="max-width: 640px;" id="wipoVideo1" tabindex="1" poster="https://web.archive.org/web/20180708181550im_/http://www.wipo.int/shared/pics/posters/wipo_pearl_700.jpg" preload="none" controls="controls"> <source src="https://web.archive.org/web/20180708181550im_/http://www.wipo.int/multimedia-video/en/wipopearl/wipopearl.mp4" type="video/mp4"/> <source src="https://web.archive.org/web/20180708181550im_/http://www.wipo.int/multimedia-video/en/wipopearl/wipopearl.webm" type="video/webm"/> <source src="https://web.archive.org/web/20180708181550im_/http://www.wipo.int/multimedia-video/en/wipopearl/wipopearl.ogg" type="video/ogg"/> </video></div> <div class="modal-footer"><button id="wipoBtn1" class="btn" data-dismiss="modal">Close</button></div> </div> <p class="secondary">Video: An introduction to WIPO Pearl</p> </div> </div> <div class="content cols cols--two line"> <h2>Partners</h2> <div class="col"> <div class="cols cols--three"> <p>The following partners have agreed a Memorandum of Understanding with WIPO and validate terms in specific domains in WIPO Pearl in their capacity as technical subject field experts.</p> <div class="col"> <figure><a href="https://web.archive.org/web/20180708181550/http://asu.edu.ru/en" target="_blank"><img class="media-object" style="border: 1px solid;" src="/web/20180708181550im_/http://www.wipo.int/export/sites/www/reference/en/wipopearl/images/astrakhan_university_120.jpg" alt=""/></a></figure> <p class="secondary"><a href="https://web.archive.org/web/20180708181550/http://asu.edu.ru/en" target="_blank">Astrakhan State University</a> (Russian Federation)</p> </div> <div class="col"> <figure><a href="https://web.archive.org/web/20180708181550/http://irm-atom.ru/" target="_blank"><img class="media-object" style="border: 1px solid;" src="/web/20180708181550im_/http://www.wipo.int/export/sites/www/reference/en/wipopearl/images/inm_120.jpg" alt=""/></a></figure> <p class="secondary"><a href="https://web.archive.org/web/20180708181550/http://irm-atom.ru/" target="_blank">Institute of Nuclear Materials</a> (Russian Federation)</p> </div> <div class="col"> <figure><a href="https://web.archive.org/web/20180708181550/https://naturalresources.wales/splash?orig=%2f&lang=cy" target="_blank"><img class="media-object" style="border: 1px solid;" src="/web/20180708181550im_/http://www.wipo.int/export/sites/www/reference/en/wipopearl/images/natural_resources_wales_120.jpg" alt=""/></a></figure> <p class="secondary"><a href="https://web.archive.org/web/20180708181550/https://naturalresources.wales/splash?orig=%2f&lang=cy" target="_blank">Natural Resources Wales</a> (United Kingdom)</p> </div> </div> </div> <div class="col"> <div class="cols cols--three"> <p>The following partners have signed a Memorandum of Understanding with WIPO to establish mutual cooperation in promoting quality and professionalism in translating, interpreting and terminology.</p> <div class="col"> <figure><a href="https://web.archive.org/web/20180708181550/http://www.fit-ift.org/" target="_blank"><img class="media-object" style="border: 1px solid;" src="/web/20180708181550im_/http://www.wipo.int/export/sites/www/reference/en/wipopearl/images/fit_120.jpg" alt=""/></a></figure> <p class="secondary"><a href="https://web.archive.org/web/20180708181550/http://www.fit-ift.org/" target="_blank">International Federation of Translators (FIT)</a></p> </div> <div class="col"> <figure><a href="https://web.archive.org/web/20180708181550/http://asu.edu.ru/en" target="_blank"><img class="media-object" style="border: 1px solid;" src="/web/20180708181550im_/http://www.wipo.int/export/sites/www/reference/en/wipopearl/images/astrakhan_university_120.jpg" alt=""/></a></figure> <p class="secondary"><a href="https://web.archive.org/web/20180708181550/http://asu.edu.ru/en" target="_blank">Astrakhan State University</a> (Russian Federation)</p> </div> <div class="col"></div> </div> </div> </div> <div class="content cols cols--three line"> <h2>Related links</h2> <div class="col"> <h3>Patent information</h3> <ul class="dividers"> <li><a href="/web/20180708181550/http://www.wipo.int/patents/en/">About patents</a></li> <li><a href="/web/20180708181550/http://www.wipo.int/ardi/en/">Access to Research for Development and Innovation (ARDI)</a></li> <li><a href="/web/20180708181550/http://www.wipo.int/aspi/en/">Access to Specialized Patent Information (ASPI) </a></li> <li><a href="/web/20180708181550/http://www.wipo.int/tisc/en/">Technology and Innovation Support Center (TISC) program </a></li> </ul> </div> <div class="col"> <h3>Patent searching</h3> <ul class="dividers"> <li><a href="https://web.archive.org/web/20180708181550/http://patentscope.wipo.int/">PATENTSCOPE</a></li> <li><a href="/web/20180708181550/http://www.wipo.int/classifications/ipc/en/">International Patent Classification (IPC)</a></li> <li><a href="/web/20180708181550/http://www.wipo.int/patentscope/en/programs/patent_landscapes/">Patent landscapes</a></li> </ul> </div> <div class="col"> <h3>Filing patents</h3> <ul class="dividers"> <li><a href="/web/20180708181550/http://www.wipo.int/pct/en/">PCT - The international patent system</a></li> <li><a href="/web/20180708181550/http://www.wipo.int/case/en/">Centralized Access to Search and Examination (CASE) system</a></li> <li><a href="/web/20180708181550/http://www.wipo.int/das/en/">WIPO Digital Access Service (DAS)</a></li> </ul> </div> </div> <script type="text/javascript"> jQuery(document).ready(function () { var v1 = $("#wipoVideo1").get(0); var playVideo = function(obj) { if (obj.paused){ obj.autoplay = true; obj.play(); } } var stopVideo = function(obj) { if (!obj.paused){ obj.pause(); obj.currentTime = 0; } } $("#wipoLnk1").click(function (){ playVideo (v1); }); $("#wipoBtn1").click(function (){ stopVideo(v1); }); $('#wipoModal1').bind('hide', function (){ stopVideo(v1); }); }); </script>  </div> <div id="tools"><h4 class="d-hide t-hide">Tools</h4> <ul><li><a class="tools__link" href="/web/20180708181550/http://www.wipo.int/pressroom/en/">Media</a></li> <li><a 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