Unified Patents is seeking prior art on at least claim 1 of US Patent No. 7,765,399. The patent is owned by NPE, Speir Technologies, an Atlantic IP Services subsidiary. The '399 patent generally relates to a Mobile PDA computer system includes a non-secure processor, comprising an untrusted microprocessor and an untrusted operating system executing on the untrusted microprocessor. The system also includes a secure processor, comprising a trusted microprocessor and a trusted operating system executing on the trusted microprocessor. A cryptographic engine is provided for encrypting and decrypting data. A first data communication link communicates data between the secure processor and the cryptographic engine. A second data communication link communicates data between the non-secure processor and the cryptographic engine. In this way, the cryptographic engine forms a bridge between the secure user processor and the non-secure user processor. Traindex is a machine learning enabled search service. They have provided an ordered list of most semantically similar patent documents. The results are filtered to include only results with the publication date preceding that of the patent being challenged. The link can be found here: https://www.traindex.io/prior-art/US-7765399-B2 Techson IP has provided its Full validity-focused Limestone|Report https://www.limestonereport.com/ which includes: a list of highly relevant prior art patent leads - individually ranked to the claims and tiered by research efficiency; summary predictive analytics about the search; a full CPC technology profile. Interested professionals may take them and craft work products from there. The Full Report link is here: https://s3.amazonaws.com/report.limestoneip.com/Qs8PrGyng50LzSKwwVmSus.full.html IPscreener shows an AI generated list of relevant prior art also helping Patroll searchers to faster read and understand of documents found by highlighting relevant passages. Access is free for the exploring the contest case, to view, comment and export identified texts. The link can be found here: https://my.ipscreener.com/token/v4DzenR3VguLabpn23uY1D Ambercite has provided a list of similar prior art patents based on its citation-based algorithms, predicting similarity. This list is provided in an easy-to-use interface, and known citations have been hidden from the results. A free trial is available to run your own searches. The link can be found here: https://www.amberscope.com/ambercite-ai.html?share=7BX2yTYcLpU7f20Pw4ojQQ View the Similar Documents (patents + scholarly publications) generated by Google Patents: Patents: https://patents.google.com/?q=~patent%2fUS7765399B2&before=filing:20060222 NPL: https://patents.google.com/?q=~patent%2fUS7765399B2&before=filing:20060222&patents=false&scholar ** PLEASE READ THE RULES FOR THIS CONTEST BEFORE YOU DECIDE TO PARTICIPATE. ** ** TO QUALIFY FOR CONSIDERATION, A CLAIM CHART IS REQUIRED. ** ** PLEASE USE THE PROVIDED CLAIM CHART AS A TEMPLATE ** ** PRIOR ART THAT HAS BEEN PREVIOUSLY CITED DURING PROSECUTION WILL NOT BE CONSIDERED. **