search_claimed_colors

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Search or count US trademarks by the colours they claim, parsed from USPTO colour-claim statements. Neither TESS nor its successor offers this. TWO levels: level="family" (16 families; searching "red" also finds dark red, maroon, burgundy) and level="shade" (the exact term as claimed, e.g. "dark red"). Use match="all" for "claims at least these colours", match="only" for "claims exactly these and nothing else", match="only_bw" to also tolerate black/white. Set claimed=false to count marks whose statement DISCLAIMS colour. Modes: count, top_owners, list_marks, vocabulary (list the valid families or shades with corpus counts), explain_term (which family a shade belongs to), by_serial (what one mark claims).