--- title: "Lexis+ AI: search popularity worldwide" description: "LexisNexis's AI assistant for legal research and drafting. 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/lexis-plus-ai" publisher: "Brandwave" --- # Lexis+ AI: search popularity worldwide LexisNexis's AI assistant for legal research and drafting. 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**: Lexis+ AI - **Owned by**: LexisNexis - **Market**: Global - **Measured month**: Sep 2026 - **Share of Search among legal research platforms**: 2.3% ## Where the brand sits | Competitive set | Rank | Share of Search | Estimated monthly branded searches | | --- | --- | --- | --- | | Legal research platforms | 6 | 2.3% | 16.5K | | AI legal assistants | 5 | 6.5% | 16.5K | - [Legal research platforms](/demand/global-en/categories/legal-research-platforms) - [AI legal assistants](/demand/global-en/categories/ai-legal-assistants) ## Top legal research platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Lexis+ AI was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Lexis+ AI is the third most recommended of the nine. 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 | | --- | --- | --- | --- | --- | | Westlaw | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Bloomberg Law | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Lexis+ AI | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | LexisNexis | 4th | 3 of 3 | 2 of 2 | 5 of 5 | | Fastcase | 5th | 2 of 3 | 2 of 2 | 4 of 5 | | CourtListener | 6th | 2 of 3 | 1 of 2 | 3 of 5 | | vLex | 7th | 2 of 3 | 0 of 2 | 2 of 5 | | Justia | 8th | 1 of 3 | 1 of 2 | 2 of 5 | | Casetext | 9th | 0 of 3 | 2 of 2 | 2 of 5 | ## Every AI answer about legal research platforms - Asked ChatGPT "Which legal research platform should I use?": 1. Westlaw, 2. Bloomberg Law, 3. CourtListener, 4. LexisNexis, 5. Lexis+ AI - Asked ChatGPT "What are the best legal research platforms?": 1. Westlaw, 2. Bloomberg Law, 3. CourtListener, 4. Justia, 5. vLex, 6. Fastcase, 7. LexisNexis, 8. Lexis+ AI - Asked ChatGPT "What's the best legal research platform for a law firm?": 1. Westlaw, 2. Lexis+ AI, 3. Bloomberg Law, 4. vLex, 5. Fastcase, 6. LexisNexis - Searched Google, AI Overview "legal research platforms": 1. Westlaw, 2. LexisNexis, 3. Bloomberg Law, 4. Fastcase, 5. Justia, 6. Casetext - Searched Google, AI Overview "legal research software": 1. Westlaw, 2. Lexis+ AI, 3. Bloomberg Law, 4. Fastcase, 5. Casetext, 6. CourtListener, 7. LexisNexis 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 Lexis+ AI changed worldwide over the last 12 months? - Across the 12 months ending September 2026, estimated monthly branded searches for Lexis+ AI worldwide fell from 21K to 16.5K. - Across the 12 months ending September 2026, Lexis+ AI fell from 5th to 6th among legal research platforms worldwide. - Across the 12 months ending September 2026, Lexis+ AI’s share of searches among AI legal assistants worldwide decreased from 9.9% to 6.5%. - Across the 12 months ending September 2026, Lexis+ AI fell from 4th to 5th among AI legal assistants worldwide. ## How did search popularity change for legal research platforms worldwide in September 2026? - In September 2026, Casetext overtook Fastcase to rank 8th among legal research platforms worldwide, with 0.92% of the searches. - In September 2026, Justia overtook Lexis+ AI and Bloomberg Law to rank 5th among legal research platforms worldwide, with 2.5% of the searches. - In September 2026, vLex gained share of searches among legal research platforms worldwide, from 6.6% to 12.6%. - In September 2026, Westlaw gained share of searches among legal research platforms worldwide, from 33% to 34.3%. - In September 2026, LexisNexis lost share of searches among legal research platforms worldwide, from 49.4% to 42%. - In September 2026, CourtListener lost share of searches among legal research platforms worldwide, from 3.6% to 3.1%. ## How did search popularity change for AI legal assistants worldwide in September 2026? - In September 2026, Harvey gained share of searches among AI legal assistants worldwide, from 49.7% to 52.8%. - In September 2026, Spellbook gained share of searches among AI legal assistants worldwide, from 8.2% to 8.7%. - In September 2026, LegalOn lost share of searches among AI legal assistants worldwide, from 22.4% to 19.4%. - CoCounsel’s share of searches among AI legal assistants worldwide has gained ground for 3 months in a row, from 7.2% to 7.7% in September 2026. - Estimated monthly branded searches for Robin AI worldwide fell 65.5% over 12 measured months, from 13.7K to 4.7K in September 2026. - Estimated monthly branded searches for Lexis+ AI worldwide fell 21.4% over 12 measured months, from 21K to 16.5K in September 2026. ## Historical estimated branded-search demand | Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | Legal research platforms | 21K | 2.4% | 5 | | Nov 2025 | Legal research platforms | 16.7K | 2.5% | 5 | | Dec 2025 | Legal research platforms | 11.5K | 2.1% | 6 | | Jan 2026 | Legal research platforms | 14K | 2.1% | 7 | | Feb 2026 | Legal research platforms | 17.2K | 2.2% | 7 | | Mar 2026 | Legal research platforms | 21.7K | 2.9% | 5 | | Apr 2026 | Legal research platforms | 19.2K | 3% | 5 | | May 2026 | Legal research platforms | 16.5K | 2.6% | 5 | | Jun 2026 | Legal research platforms | 17.5K | 2.7% | 5 | | Jul 2026 | Legal research platforms | 15.3K | 2.5% | 5 | | Aug 2026 | Legal research platforms | 15.3K | 2.5% | 5 | | Sep 2026 | Legal research platforms | 16.5K | 2.3% | 6 | | Oct 2025 | AI legal assistants | 21K | 9.9% | 4 | | Nov 2025 | AI legal assistants | 16.7K | 9.3% | 4 | | Dec 2025 | AI legal assistants | 11.5K | 6.9% | 4 | | Jan 2026 | AI legal assistants | 14K | 7.6% | 4 | | Feb 2026 | AI legal assistants | 17.2K | 8.1% | 4 | | Mar 2026 | AI legal assistants | 21.7K | 8.6% | 4 | | Apr 2026 | AI legal assistants | 19.2K | 8.3% | 4 | | May 2026 | AI legal assistants | 16.5K | 7.2% | 5 | | Jun 2026 | AI legal assistants | 17.5K | 7.8% | 4 | | Jul 2026 | AI legal assistants | 15.3K | 6.9% | 5 | | Aug 2026 | AI legal assistants | 15.3K | 6.9% | 5 | | Sep 2026 | AI legal assistants | 16.5K | 6.5% | 5 | ## How are Lexis+ AI’s branded searches counted? Brandwave collects information about searches that people make online using Lexis+ AI’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading. - “lexis ai” - “lexis protege” ## Which legal research platforms compete with Lexis+ AI? - [LexisNexis](/demand/global-en/brands/lexisnexis) - [Westlaw](/demand/global-en/brands/westlaw) - [vLex](/demand/global-en/brands/vlex): Head-to-head: /demand/global-en/compare/lexis-plus-ai-vs-vlex - [CourtListener](/demand/global-en/brands/courtlistener): Head-to-head: /demand/global-en/compare/courtlistener-vs-lexis-plus-ai - [Justia](/demand/global-en/brands/justia): Head-to-head: /demand/global-en/compare/justia-vs-lexis-plus-ai - [Bloomberg Law](/demand/global-en/brands/bloomberg-law): Head-to-head: /demand/global-en/compare/bloomberg-law-vs-lexis-plus-ai - [Casetext](/demand/global-en/brands/casetext): Head-to-head: /demand/global-en/compare/casetext-vs-lexis-plus-ai - [Fastcase](/demand/global-en/brands/fastcase) ## Who owns Lexis+ AI? Lexis+ AI is owned by LexisNexis. Brandwave also tracks LexisNexis, owned by the same company, worldwide. - [LexisNexis](/demand/global-en/companies/lexisnexis): Owns 2 tracked brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Who owns Lexis+ AI? Lexis+ AI is owned by LexisNexis. Brandwave also tracks LexisNexis, owned by the same company, worldwide. ## Cite this page Brandwave. "Lexis+ AI: search popularity worldwide". https://gobrandwave.com/demand/global-en/brands/lexis-plus-ai This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/lexis-plus-ai. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.