--- title: "Espacenet: search popularity worldwide" description: "Espacenet is the European Patent Office’s free patent search service. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/brands/espacenet" publisher: "Brandwave" --- # Espacenet: search popularity worldwide Espacenet is the European Patent Office’s free patent search service. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Brand**: Espacenet - **Market**: Global - **Measured month**: Sep 2026 - **Share of Search among patent search platforms**: 17.8% ## Where the brand sits | Competitive set | Rank | Share of Search | Estimated monthly branded searches | | --- | --- | --- | --- | | Patent search platforms | 2 | 17.8% | 110K | - [Patent search platforms](/demand/global-en/categories/patent-search-platforms) ## Top patent search platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Espacenet appeared in all five answers. Espacenet is the second most recommended of the 11. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Google Patents | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Espacenet | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | The Lens | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | USPTO Patent Public Search | 4th | 2 of 3 | 1 of 2 | 3 of 5 | | Derwent Innovation | 5th | 3 of 3 | 1 of 2 | 4 of 5 | | WIPO PATENTSCOPE | 6th | 1 of 3 | 1 of 2 | 2 of 5 | | PatSnap | 7th | 3 of 3 | 1 of 2 | 4 of 5 | | Orbit Intelligence | 8th | 2 of 3 | 1 of 2 | 3 of 5 | | Questel | 9th | 2 of 3 | 1 of 2 | 3 of 5 | | Lens.org | 10th | 1 of 3 | 0 of 2 | 1 of 5 | | Anaqua | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about patent search platforms - Asked ChatGPT "Which patent search platform should I use?": 1. Google Patents, 2. Espacenet, 3. The Lens, 4. PatSnap, 5. Derwent Innovation - Asked ChatGPT "What are the best patent search platforms?": 1. Google Patents, 2. Espacenet, 3. USPTO Patent Public Search, 4. WIPO PATENTSCOPE, 5. The Lens, 6. Orbit Intelligence, 7. Derwent Innovation, 8. PatSnap, 9. Questel - Asked ChatGPT "What's the best patent search platform for prior art research?": 1. Google Patents, 2. The Lens, 3. Derwent Innovation, 4. PatSnap, 5. Espacenet, 6. USPTO Patent Public Search, 7. Questel, 8. Orbit Intelligence, 9. Lens.org - Searched Google, AI Overview "patent search tools": 1. Google Patents, 2. Espacenet, 3. The Lens, 4. Derwent Innovation, 5. Orbit Intelligence, 6. Questel, 7. PatSnap - Searched Google, AI Overview "patent search platform": 1. USPTO Patent Public Search, 2. WIPO PATENTSCOPE, 3. Espacenet, 4. Google Patents, 5. The Lens Not named in any answer: Anaqua. Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How has branded search demand for Espacenet changed worldwide over the last 12 months? - Across the 12 months ending September 2026, estimated monthly branded searches for Espacenet worldwide held steady at 110K. - Across the 12 months ending September 2026, Espacenet’s share of searches among patent search platforms worldwide peaked at 18.2% in January 2026 and was lowest at 13.6% in July 2026. ## How did search popularity change for patent search platforms worldwide in September 2026? - In September 2026, Google Patents gained share of searches among patent search platforms worldwide, from 68.7% to 73%. - In September 2026, Espacenet gained share of searches among patent search platforms worldwide, from 16.9% to 17.8%. - In September 2026, USPTO Patent Public Search lost share of searches among patent search platforms worldwide, from 6.2% to 0.26%. - In September 2026, Questel rose from 8th to 5th among patent search platforms worldwide. - In September 2026, Orbit Intelligence rose from 9th to 8th among patent search platforms worldwide. - In September 2026, PatSnap rose from 4th to 3rd among patent search platforms worldwide. ## Historical estimated branded-search demand | Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Patent search platforms | 110K | 18% | 2 | | Nov 2025 | Patent search platforms | 110K | 18.1% | 2 | | Dec 2025 | Patent search platforms | 90.5K | 18% | 2 | | Jan 2026 | Patent search platforms | 110K | 18.2% | 2 | | Feb 2026 | Patent search platforms | 110K | 18.1% | 2 | | Mar 2026 | Patent search platforms | 110K | 17.8% | 2 | | Apr 2026 | Patent search platforms | 110K | 17.9% | 2 | | May 2026 | Patent search platforms | 110K | 17.9% | 2 | | Jun 2026 | Patent search platforms | 110K | 17.6% | 2 | | Jul 2026 | Patent search platforms | 90.5K | 13.6% | 2 | | Aug 2026 | Patent search platforms | 90.5K | 16.9% | 2 | | Sep 2026 | Patent search platforms | 110K | 17.8% | 2 | ## How are Espacenet’s branded searches counted? Brandwave collects information about searches that people make online using Espacenet’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading. - “espacenet” ## Which patent search platforms compete with Espacenet? - [Google Patents](/demand/global-en/brands/google-patents): Head-to-head: /demand/global-en/compare/espacenet-vs-google-patents - [PatSnap](/demand/global-en/brands/patsnap): Head-to-head: /demand/global-en/compare/espacenet-vs-patsnap - [WIPO PATENTSCOPE](/demand/global-en/brands/wipo-patentscope): Head-to-head: /demand/global-en/compare/espacenet-vs-wipo-patentscope - [Questel](/demand/global-en/brands/questel): Head-to-head: /demand/global-en/compare/espacenet-vs-questel - [The Lens](/demand/global-en/brands/the-lens): Head-to-head: /demand/global-en/compare/espacenet-vs-the-lens - [Lens.org](/demand/global-en/brands/lens-org) - [Orbit Intelligence](/demand/global-en/brands/orbit-intelligence) - [USPTO Patent Public Search](/demand/global-en/brands/uspto-patent-public-search) - [Derwent Innovation](/demand/global-en/brands/derwent-innovation) - [Anaqua](/demand/global-en/brands/anaqua) ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Cite this page Brandwave. "Espacenet: search popularity worldwide". https://gobrandwave.com/demand/global-en/brands/espacenet This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/espacenet. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.