{"@context":{"@language":"en","@vocab":"https://schema.org/","arrayShape":"cr:arrayShape","citeAs":"cr:citeAs","column":"cr:column","conformsTo":"dct:conformsTo","containedIn":"cr:containedIn","cr":"http://mlcommons.org/croissant/","rai":"http://mlcommons.org/croissant/RAI/","data":{"@id":"cr:data","@type":"@json"},"dataType":{"@id":"cr:dataType","@type":"@vocab"},"dct":"http://purl.org/dc/terms/","description":{"@container":"@language"},"equivalentProperty":"cr:equivalentProperty","examples":{"@id":"cr:examples","@type":"@json"},"extract":"cr:extract","field":"cr:field","fileProperty":"cr:fileProperty","fileObject":"cr:fileObject","fileSet":"cr:fileSet","format":"cr:format","includes":"cr:includes","isArray":"cr:isArray","isLiveDataset":"cr:isLiveDataset","jsonPath":"cr:jsonPath","key":"cr:key","md5":"cr:md5","name":{"@container":"@language"},"parentField":"cr:parentField","path":"cr:path","recordSet":"cr:recordSet","references":"cr:references","regex":"cr:regex","repeated":"cr:repeated","replace":"cr:replace","samplingRate":"cr:samplingRate","sc":"https://schema.org/","separator":"cr:separator","source":"cr:source","subField":"cr:subField","transform":"cr:transform"},"@type":"sc:Dataset","conformsTo":"http://mlcommons.org/croissant/1.1","name":"Legal-marketing ethics opinions, 2004–2026","description":"An index of US state and ABA ethics opinions, committee guidelines and court rulings on lawyer advertising and marketing, from 2004 to 2026 (most from 2015 on, plus earlier landmarks): lead generators, pay-per-lead, reviews, testimonials, trade names, websites, social media, chatbots and AI tools, competitor keywords and more. Version 1.1 adds an AI sub-index: 14 AI opinions coded on six marketing questions (chatbot disclosure, AI-made ads, intake and solicitation, superiority claims, confidentiality in marketing tools, and fees). Each record gives the issuing body, number, date, topics, a one-sentence holding in our words, a practical step, whether it is still in force, the official link, an exact short quote and the date read. It is not the opinions' full text.","url":"https://probativegrowth.com/data/opinions/","identifier":"https://doi.org/10.5281/zenodo.23734859","sameAs":["https://doi.org/10.5281/zenodo.23734859","https://doi.org/10.5281/zenodo.23656748","https://zenodo.org/records/23734859"],"version":"1.1.0","datePublished":"2026-10-28","dateModified":"2026-10-28","license":"https://creativecommons.org/licenses/by/4.0/","creator":{"@type":"sc:Organization","name":"Probative Growth","url":"https://probativegrowth.com"},"publisher":{"@type":"sc:Organization","name":"Probative Growth","url":"https://probativegrowth.com"},"citeAs":"Probative. (2026). Legal-marketing ethics opinions, 2004–2026 (Version 1.1.0) [Data set]. 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