Unified is seeking prior art on at least claim 1 of US-7689617-B2. The patent is owned by Hitel Technologies, LLC, an IP Edge entity. The patent generally relates to a method performed in a system involves, at a node within the system, receiving an input from a user, determining that the input contains an unknown word, presenting at least one response to the user, and based upon at least one additional input from the user, learning one or more associations for the unknown word. The patent has been asserted against a number of retailers. The link for litigation is here: https://portal.unifiedpatents.com/litigation/caselist?patents=7689617&sort=-filed_date APEX STANDARDS has shared prior US patent art, non-US patent art, and Non-Patent Literature art as well as corresponding claim charting against the patent. Interested professionals may take them and craft work product from there. The link can be found here: https://www.apexstandards.com/pcc/US7689617B2_construction_vis_a_vis_charting_v_prior_art/ 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/WWZNZw8-hGjEjHr6hfVMru.full.html View the Similar Documents (patents + scholarly publications) generated by Google Patents: Patents: https://patents.google.com/?q=~patent%2fUS7689617B2&before=filing:20050225 NPL: https://patents.google.com/?q=~patent%2fUS7689617B2&before=filing:20050225&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. **