Report:MicroPatent PatentWeb/Search Syntax/Allowed Operators/Truncation or Wildcard Operators/Stopwords and Reserved Words
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Stopwords
The PatSearch database has no stop words. Therefore very common words such as “and,” “the,” “of” are searchable. However, within MicroPatent PatSearch, AND, NOT, OR, SAME, WITH, and NEAR are reserved for use as operators (see allowed operators, above). To include these words in a search query, they must be enclosed in double quotes or included in a phrase that is enclosed in double quotes. MicroPatent provides this example: to search for the phrase 'near field', you should type the following: "NEAR" ADJ FIELD.
Editor's Note:Most search engines endeavor to keep stop words to a minimum so that phrases with conjunctions can be searched effectively. The PatSearch system’s use of English words as operators requires that those words need special treatment when they are actually keywords. This might wind up as a minor inconvenience to some, but is not a major disadvantage.
