Details
The technique proposed by Bessen and Hunt involves conducting a keyword search within the USPTO patent database as follows:
- (("software" in specification) OR ("computer" AND "program" in specification))
- AND (utility patent excluding reissues)
- ANDNOT ("chip" OR "semiconductor" OR "bus" OR "circuit" OR "circuitry" in title)
- ANDNOT ("antigen" OR "antigenic" OR "chromatography" in specification)
An actual query that may be submitted to the USPTO database to retrieve patents granted in 2005 is as follows:
- ISD/(1/1/2005->1/1/2006)
- AND SPEC/(software OR (computer AND program))
- AND APT/1
- ANDNOT TTL/(chip OR semiconductor OR bus OR circuit OR circuitry)
- ANDNOT SPEC/(antigen or antigenic OR chromatography)
Read more about this topic: Bessen/Hunt Technique
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