Derwent.club

Date: Fri, 11 Sep 2026 05:45:14 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 93
Connection: keep-alive
strict-transport-security: max-age=31536000; includeSubDomains
x-content-type-options: nosniff
x-frame-options: DENY
referrer-policy: no-referrer
permissions-policy: geolocation=(), microphone=(), camera=(), payment=(), usb=()
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
cache-control: no-cache, no-store, must-revalidate
expires: 0
content-security-policy: default-src 'none'; script-src 'self'; connect-src 'self'; img-src 'self'; style-src 'self'; base-uri 'self'; form-action 'self'
Location: https://clarivate.com/products/derwent-world-patents-index/
Vary: Accept

HTTP/2 301 
cache-control: public, max-age=3600
content-type: text/html; charset=UTF-8
location: /intellectual-property/patent-intelligence/derwent-world-patents-index/
server: nginx
strict-transport-security: max-age=31622400
x-pantheon-styx-hostname: styx-us-a-6cdf548c65-p62hq
x-styx-req-id: 6f9cd57e-ada0-11f1-9060-ea62a2c7bc94
age: 1514
accept-ranges: bytes
via: 1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish
date: Fri, 11 Sep 2026 05:45:14 GMT
x-served-by: cache-chi-kigq8000106-CHI, cache-par-lfpb1150082-PAR, cache-par-lfpg1960069-PAR, cache-par-lfpg1960069-PAR
x-cache: MISS, HIT, MISS, MISS
x-cache-hits: 0, 8, 0, 0
x-timer: S1789105515.987833,VS0,VE7
vary: Cookie, Cookie
content-length: 0

HTTP/2 301 
cache-control: public, max-age=3600
content-type: text/html; charset=UTF-8
location: /intellectual-property/derwent/world-patents-index/
server: nginx
strict-transport-security: max-age=31622400
x-pantheon-styx-hostname: styx-us-a-6cdf548c65-svbqd
x-styx-req-id: 6fff150b-ada0-11f1-a402-9ed2cb145820
age: 1514
accept-ranges: bytes
via: 1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish
date: Fri, 11 Sep 2026 05:45:15 GMT
x-served-by: cache-chi-kigq8000147-CHI, cache-par-lfpb1150061-PAR, cache-par-lfpg1960069-PAR, cache-par-lfpg1960069-PAR
x-cache: MISS, HIT, MISS, MISS
x-cache-hits: 0, 8, 0, 0
x-timer: S1789105515.010658,VS0,VE4
vary: Cookie, Cookie
content-length: 0

HTTP/2 200 
cache-control: public, max-age=3600
content-encoding: gzip
content-security-policy: script-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob: *.clarivate.com https://*.clarivate.com https://clarivate.com https://*.nr-data.net *.en25.com https://js.zi-scripts.com https://epsilon.6sense.com/ https://www.redditstatic.com *.yahoo.co.jp tag.flvcdn.net https://static.lightning.force.com https://*.clarity.ms https://*.salesforceliveagent.com https://analytics.decisionresourcesgroup.com *.demandbase.com https://analytics.twitter.com *.turtl.co https://app.gatedcontent.com https://app.icontact.com https://assets.vidyard.com https://assistant.woorank.com https://bam-cell.nr-data.net https://bat.bing.com https://cdn.bizible.com https://cdn.cookielaw.org https://cdn.jifo.co https://cdnjs.cloudflare.com https://clarivateanalytics.my.salesforce.com https://clarivateanalytics.my.site.com https://clarivatecommunities.force.com https://preview-clarivatecommunities.cs16.force.com https://code.jquery.com https://connect.facebook.net https://derwent.com *.visualwebsiteoptimizer.com https://e.infogram.com https://embed.acast.com https://googleads.g.doubleclick.net https://img06.en25.com https://j.6sc.co https://js-agent.newrelic.com https://maps.googleapis.com https://maps.gstatic.com https://platform.twitter.com https://play.vidyard.com https://public.flourish.studio https://publons.com https://s786780033.t.eloqua.com https://s.infogram.com https://scholaroneideas.secure.force.com https://script.hotjar.com https://secure.eloqua.com https://snap.licdn.com https://static.addtoany.com https://static.ads-twitter.com *.criteo.net https://static.doubleclick.net https://static.hotjar.com https://unpkg.com https://widget.sndcdn.com https://www.3blmedia.com https://www.google.com https://www.googleadservices.com https://www.googletagmanager.com https://www.gstatic.com https://www.youtube.com *.criteo.com https://www.google-analytics.com  https://cdn.jsdelivr.net https://app.vwo.com https://*.googlesyndication.com https://*.zoominfo.com https://translate.google.com https://*.googleapis.com https://*.amcharts.com https://*.qualtrics.com; frame-ancestors 'self' *.clarivate.com *.compumark.com *.compumark.cn
content-type: text/html; charset=UTF-8
link: <https://clarivate.com/intellectual-property/wp-json/>; rel="https://api.w.org/"
link: <https://clarivate.com/intellectual-property/wp-json/wp/v2/pages/268723>; rel="alternate"; title="JSON"; type="application/json"
link: <https://clarivate.com/intellectual-property/?p=268723>; rel=shortlink
referrer-policy: origin-when-cross-origin
server: nginx
set-cookie: STYXKEY_pll_language=en; expires=Sat, 11 Sep 2027 05:45:15 GMT; Max-Age=31536000; path=/; secure; SameSite=Lax
set-cookie: STYXKEY_pll_language=en; expires=Sun, 11 Oct 2026 05:45:15 GMT; Max-Age=2592000; path=/
set-cookie: STYXKEY_country=DE; expires=Sun, 11 Oct 2026 05:45:15 GMT; Max-Age=2592000; path=/
strict-transport-security: max-age=31622400
x-content-type-options: nosniff
x-country: DE
x-dlm-no-waypoints: true
x-frame-options: SAMEORIGIN
x-lang: en
x-pantheon-styx-hostname: styx-us-a-6cdf548c65-pxhmr
x-styx-req-id: f66e2d15-ada3-11f1-a968-ee71aeb7f700
x-xss-protection: 1; mode=block
age: 0
accept-ranges: bytes
via: 1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish
date: Fri, 11 Sep 2026 05:45:16 GMT
x-served-by: cache-chi-klot8100179-CHI, cache-par-lfpb1150068-PAR, cache-par-lfpg1960069-PAR, cache-par-lfpg1960069-PAR
x-cache: MISS, MISS, MISS, MISS
x-cache-hits: 0, 0, 0, 0
x-timer: S1789105515.030679,VS0,VE1879
vary: Accept-Encoding, P13n-Geo-Country-Code, P13n-Interest, Cookie, Cookie