Lawyer advertising rules by state (50 states and DC) Version 1.0.0. CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). DOI https://doi.org/10.5281/zenodo.23645751 Credit line (CC BY 4.0 asks for credit and a link): Source: Probative, Lawyer advertising rules by state (50 states and DC), version 1.0.0, https://doi.org/10.5281/zenodo.23645751, licensed CC BY 4.0. Suggested citation: Probative. (2026). Lawyer advertising rules by state (50 states and DC) (Version 1.0.0) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.23645751 Not legal advice. This is a plain-English summary of public sources, kept for marketing planning, and rules change. Check with your state bar and your own counsel before you run an ad. Probative is a marketing firm, not a law firm; not legal advice. Human page: https://probativegrowth.com/resources/lawyer-advertising-rules-by-state/ Columns: state: Two-letter code (DC for the District of Columbia) stateName: Jurisdiction name topic: Rule topic key: filing, requiredContent, waitingPeriod, claims, referral, language, recording, texting, privacy label: Rule topic, in words status: P primary source, S secondary source, D ABA model default, U open question statusLabel: The status, in words text: The rule in plain English note: Caveats lastChecked: The day the state was last checked (YYYY-MM-DD) humanUrl: The state page anchor to cite for this cell sourceLabels: Sources, separated by " | " sourceUrls: Source URLs, in the same order sourcesAccessed: The day each source was read, in the same order