A patent Family* which has been found by a search profile, but without any reference assigned. IPsurvey keeps searching for references in the OPS network for a duration of the 12 months. If IPsurvey don’t have success within this time period of 12 month finding at least one reference in the OPS, the patent Family* gets archived with the status "unresolved" and IPsurvey will no longer attempt to retrieve that specific patent Family* from the OPS.
It is possible to have a hard copy of the DWPI abstract for these archived references, please contact email@example.com for further information about the price.
*A patent family is a set of patent filings made in various countries to protect a single invention.