(?:`)?(?:cern`open`hardware`license`version`2`\-`permissive)?(?:`)?preamble`cern`has`developed`this`license`to`promote`collaboration`among`hardware`designers`and`to`provide`a`legal`tool`which`supports`the`freedom`to`use,`study,`modify,`share`and`distribute`hardware`designs`and`products`based`on`those`designs\.`version`2`of`the`cern`open`hardware`license`comes`in`three`variants:`this`license,`cern\-`ohl\-`p`\(permissive\);`and`two`reciprocal`licenses:`cern\-`ohl\-`w`\(weakly`reciprocal\)`and`cern\-`ohl\-`s`\(strongly`reciprocal\)\.`the`cern\-`ohl\-`p`is`copyright`cern`2020\.`anyone`is`welcome`to`use`it,`in`unmodified`form`only\.`use`of`this`license`does`not`imply`any`endorsement`by`cern`of`any`licensor`or`their`designs`nor`does`it`imply`any`involvement`by`cern`in`their`development\.`(?:.{,20})`definitions`(?:.{,20})`license`means`this`cern\-`ohl\-`p\.`(?:.{,20})`source`means`information`such`as`design`materials`or`digital`code`which`can`be`applied`to`make`or`test`a`product`or`to`prepare`a`product`for`use,`conveyance`or`sale,`regardless`of`its`medium`or`how`it`is`expressed\.`it`may`include`notices\.`(?:.{,20})`covered`source`means`source`that`is`explicitly`made`available`under`this`license\.`(?:.{,20})`product`means`any`device,`component,`work`or`physical`object,`whether`in`finished`or`intermediate`form,`arising`from`the`use,`application`or`processing`of`covered`source\.`(?:.{,20})`make`means`to`create`or`configure`something,`whether`by`manufacture,`assembly,`compiling,`loading`or`applying`covered`source`or`another`product`or`otherwise\.`(?:.{,20})`notice`means`copyright,`acknowledgement`and`trademark`notices,`references`to`the`location`of`any`notices,`modification`notices`\(subsection`3\.3\(b\)\)`and`all`notices`that`refer`to`this`license`and`to`the`disclaimer`of`warranties`that`are`included`in`the`covered`source\.`(?:.{,20})`licensee`or`you`means`any`person`exercising`rights`under`this`license\.`(?:.{,20})`licensor`means`a`person`who`creates`source`or`modifies`covered`source`and`subsequently`conveys`the`resulting`covered`source`under`the`terms`and`conditions`of`this`license\.`a`person`may`be`a`licensee`and`a`licensor`at`the`same`time\.`(?:.{,20})`convey`means`to`communicate`to`the`public`or`distribute\.`(?:.{,20})`applicability`(?:.{,20})`this`license`governs`the`use,`copying,`modification,`conveying`of`covered`source`and`products,`and`the`making`of`products\.`by`exercising`any`right`granted`under`this`license,`you`irrevocably`accept`these`terms`and`conditions\.`(?:.{,20})`this`license`is`granted`by`the`licensor`directly`to`you,`and`shall`apply`worldwide`and`without`limitation`in`time\.`(?:.{,20})`you`shall`not`attempt`to`restrict`by`contract`or`otherwise`the`rights`granted`under`this`license`to`other`licensees\.`(?:.{,20})`this`license`is`not`intended`to`restrict`fair`use,`fair`dealing,`or`any`other`similar`right\.`(?:.{,20})`copying,`modifying`and`conveying`covered`source`(?:.{,20})`you`may`copy`and`convey`verbatim`copies`of`covered`source,`in`any`medium,`provided`you`retain`all`notices\.`(?:.{,20})`you`may`modify`covered`source,`other`than`notices\.`you`may`only`delete`notices`if`they`are`no`longer`applicable`to`the`corresponding`covered`source`as`modified`by`you`and`you`may`add`additional`notices`applicable`to`your`modifications\.`(?:.{,20})`you`may`convey`modified`covered`source`\(with`the`effect`that`you`shall`also`become`a`licensor\)`provided`that`you:`(?:.{,20})`retain`notices`as`required`in`subsection`3\.2;`and`(?:.{,20})`add`a`notice`to`the`modified`covered`source`stating`that`you`have`modified`it,`with`the`date`and`brief`description`of`how`you`have`modified`it\.`(?:.{,20})`you`may`convey`covered`source`or`modified`covered`source`under`license`terms`which`differ`from`the`terms`of`this`license`provided`that:`(?:.{,20})`you`comply`at`all`times`with`subsection`3\.3;`and`(?:.{,20})`you`provide`a`copy`of`this`license`to`anyone`to`whom`you`convey`covered`source`or`modified`covered`source\.`(?:.{,20})`making`and`conveying`products`you`may`make`products,`and`or`convey`them,`provided`that`you`ensure`that`the`recipient`of`the`product`has`access`to`any`notices`applicable`to`the`product\.`(?:.{,20})`disclaimer`and`liability`(?:.{,20})`disclaimer`of`warranty`\-`the`covered`source`and`any`products`are`provided`as`is`and`any`express`or`implied`warranties,`including,`but`not`limited`to,`implied`warranties`of`merchantability,`of`satisfactory`quality,`non\-`infringement`of`third`party`rights,`and`fitness`for`a`particular`purpose`or`use`are`disclaimed`in`respect`of`any`source`or`product`to`the`maximum`extent`permitted`by`law\.`the`licensor`makes`no`representation`that`any`source`or`product`does`not`or`will`not`infringe`any`patent,`copyright,`trade`secret`or`other`proprietary`right\.`the`entire`risk`as`to`the`use,`quality,`and`performance`of`any`source`or`product`shall`be`with`you`and`not`the`licensor\.`this`disclaimer`of`warranty`is`an`essential`part`of`this`license`and`a`condition`for`the`grant`of`any`rights`granted`under`this`license\.`(?:.{,20})`exclusion`and`limitation`of`liability`\-`the`licensor`shall,`to`the`maximum`extent`permitted`by`law,`have`no`liability`for`direct,`indirect,`special,`incidental,`consequential,`exemplary,`punitive`or`other`damages`of`any`character`including,`without`limitation,`procurement`of`substitute`goods`or`services,`loss`of`use,`data`or`profits,`or`business`interruption,`however`caused`and`on`any`theory`of`contract,`warranty,`tort`\(including`negligence\),`product`liability`or`otherwise,`arising`in`any`way`in`relation`to`the`covered`source,`modified`covered`source`and`or`the`making`or`conveyance`of`a`product,`even`if`advised`of`the`possibility`of`such`damages,`and`you`shall`hold`the`licensor\(s\)`free`and`harmless`from`any`liability,`costs,`damages,`fees`and`expenses,`including`claims`by`third`parties,`in`relation`to`such`use\.`(?:.{,20})`patents`(?:.{,20})`subject`to`the`terms`and`conditions`of`this`license,`each`licensor`hereby`grants`to`you`a`perpetual,`worldwide,`non\-`exclusive,`no\-`charge,`royalty\-`free,`irrevocable`\(except`as`stated`in`this`section`6,`or`where`terminated`by`the`licensor`for`cause\)`patent`license`to`make,`have`made,`use,`offer`to`sell,`sell,`import,`and`otherwise`transfer`the`covered`source`and`products,`where`such`license`applies`only`to`those`patent`claims`licensable`by`such`licensor`that`are`necessarily`infringed`by`exercising`rights`under`the`covered`source`as`conveyed`by`that`licensor\.`(?:.{,20})`if`you`institute`patent`litigation`against`any`entity`\(including`a`cross\-`claim`or`counterclaim`in`a`lawsuit\)`alleging`that`the`covered`source`or`a`product`constitutes`direct`or`contributory`patent`infringement,`or`you`seek`any`declaration`that`a`patent`licensed`to`you`under`this`license`is`invalid`or`unenforceable`then`any`rights`granted`to`you`under`this`license`shall`terminate`as`of`the`date`such`process`is`initiated\.`(?:.{,20})`general`(?:.{,20})`if`any`provisions`of`this`license`are`or`subsequently`become`invalid`or`unenforceable`for`any`reason,`the`remaining`provisions`shall`remain`effective\.`(?:.{,20})`you`shall`not`use`any`of`the`name`\(including`acronyms`and`abbreviations\),`image,`or`logo`by`which`the`licensor`or`cern`is`known,`except`where`needed`to`comply`with`section`3,`or`where`the`use`is`otherwise`allowed`by`law\.`any`such`permitted`use`shall`be`factual`and`shall`not`be`made`so`as`to`suggest`any`kind`of`endorsement`or`implication`of`involvement`by`the`licensor`or`its`personnel\.`(?:.{,20})`cern`may`publish`updated`versions`and`variants`of`this`license`which`it`considers`to`be`in`the`spirit`of`this`version,`but`may`differ`in`detail`to`address`new`problems`or`concerns\.`new`versions`will`be`published`with`a`unique`version`number`and`a`variant`identifier`specifying`the`variant\.`if`the`licensor`has`specified`that`a`given`variant`applies`to`the`covered`source`without`specifying`a`version,`you`may`treat`that`covered`source`as`being`released`under`any`version`of`the`cern\-`ohl`with`that`variant\.`if`no`variant`is`specified,`the`covered`source`shall`be`treated`as`being`released`under`cern\-`ohl\-`s\.`the`licensor`may`also`specify`that`the`covered`source`is`subject`to`a`specific`version`of`the`cern\-`ohl`or`any`later`version`in`which`case`you`may`apply`this`or`any`later`version`of`cern\-`ohl`with`the`same`variant`identifier`published`by`cern\.`(?:.{,20})`this`license`shall`not`be`enforceable`except`by`a`licensor`acting`as`such,`and`third`party`beneficiary`rights`are`specifically`excluded\.