![]() ![]() Of wildcards when they are located at the end, or the middle of a word,Īnd they are meant to be used when stemming is turned off. Keep in mind that CAS Scientific Patent Explorer only supports the use Will ensure that every publication that has a variation of the root wordĮlectronic, etc.) as part of their title, will be returned. Wildcards allow you to use a root word to cover a variety of different Looks at the authority in which a patent was applied for or issued. Example: TAC:(car AND battery)Īt the original assignee of a patent. Looks at any key words within the Title, Abstract, Claims, or Description These are some of the most popular fields: To assign more than one keyword and to include operators within a singleįield, all you need to do is to place all the elements within a set of All you need to do is to enter a Field, always followed by a ![]() They help our search algorithm know where to search for keyboards assigned Search fields are used prominently in Advanced, Simple, and Legal Search. Marks are not used, our search engine will automatically insert the AND operator between words in a ![]() Only those documents where the two words are found together. Words, and therefore, needs to be located in patents as stated. Technology terms that are made of two or more words. This will often be appropriate when you have Quotation marks allow you to specify that certain words or text shouldĪppear exactly as defined. To treat the relationship between the terms that you enter. When you use these, to have a think about how you'd like our search engine Sometimes the difference between a highly efficient search query andĪn inefficient one can be the use of parentheses. What it needs to consider first or how you would want it to look forĪ specific group of terms, and what their relationship is with each other. Parentheses allow our search engine to ascertain either Just as in algebra, they will change the order in which the system looksĪt your query. The overall meaning of a search, just by moving their placement. Parentheses are the underlying operator within a query. It retrieves patents containing theįirst keyword but not containing the second keyword. If you want to look for some terms, but NOT others, you can list Either keyword or criteria may appear first. It retrieves patents containing both keywords Serves as a bridge between more than one term that you want to categoricallyĪppear with each other. It retrieves patents containingĮither or both of the keywords or criteria. Words must be returned, whether they are optional, or not wanted at all.Ī variant or set of options in your search. It has many different aspects which can be important at different timesĪnd it can have many different elements which interact based on the commands Boolean searching can be thought of like an algebraic equation. ![]() The relationship between any keywords, terms or fields you want to use The basics of Boolean searching, which ensures that you correctly define When coming up with an effective patent search, it is important to understand It will help you have a better understanding of the queries you are using,Īnd the results you are getting in return. Not very familiar with Boolean logic, take some time to go over this introduction. When you perform searches in CAS Scientific Patent Explorer. It is essential that you understand the basics of Boolean searching ![]()
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