In addition to our Standard Invalidity Search, Cardinal’s Premium Invalidity Search includes a dedicated patent literature searcher(s), a dedicated non-patent literature searcher(s), a library scientist(s) and a technical expert(s).
All of Cardinal’s project managers are patent attorneys* who will review the prosecution history (when available), claims, and the specification. Our Premium Invalidity Search Reports also include claim mapping as a standard feature.
Search Strategy
- Identification of Best Fit Classes
- Keyword Searching
- Classification-limited keyword searching
- Keyword searching not limited by classifications
References Cited
- U.S. Patents
- Published U.S. Patent Applications
- Foreign Patents
- Published Foreign Patent Applications
- Non-Patent Literature
References Priority
- Analysts provide either the publication date or an earlier priority date for each reference, indicating how the reference is prior art
- Unless otherwise noted, search will be limited to non-cited references
Delivery Methods
- PDF version of report (via e-mail)
- IP Dashboard Search Report System (web-based report interface)
- PDF copies of each reference
- Zipped bulk download of all references
Includes
- Mapping of applicable reference segments to each claim requested
Turnaround Time***
- 9-11 Business Days
***All turnaround times are approximations and are subject to change.