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Yes. CLAIMS Direct provides forward and backward citations, including patent and non-patent literature citations. The patent citations may be accessed using our Citation Service. To access this service through an on-site instance, see Leveraging On-Site Citation and Family Functionality. Citations are also searchable in CDWI. Visit the Citations page to see which search fields are available. For more information about the citation data, see technical-data citations.
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Extended families are only available through CDWS. The reason is that the extended family can expand literally daily so it must be generated as needed. Instructions on how to access family information through the API can be found on the Family page. To access family data through an on-site instance, see Leveraging On-Site Citation and Family Functionality.
How can I tell if a patent is still in force or what its current status is?
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