Burtonís Legal Thesaurus declared ďLeading Thesaurus in LawĒIn an in-depth empirical study, entitled "Beyond Blackís and Websterís: The Persuasive Value of Thesauri in legal Research and Writing" author Brian Craig affirms "Burtonís Legal Thesaurus as the leading legal thesaurus." The authoritative reference was held to be the most relied upon thesaurus in law based on the frequency of citations in written decisions by the Supreme Court and Federal and State Courts.

Since 2001 the "courts have particularly favored Burtonís legal thesaurus." Over the past five years there has been a "threefold disparity between Burtonís legal thesaurus and its competition." For entire analytical article click here.