Patent Challenged:

10291454

Description:

Unified Patents in seeking prior art on at least claim 1 of US Patent No. 10,291,454. This patent is owned by Redwood Technologies, a Dominion Harbor Enterprises subsidiary, a NPE. The '454 generally relates to a transmitting device for transmitting data symbols and pilot symbols in an OFDM transmission system; the device comprising symbol generating means for generating said data symbols and said pilot symbols, means for transmitting said data symbols and pilot symbols respectively by using a plurality of subcarriers of said OFDM transmission system, wherein said symbol generating means is designed to selectively generate a first type pilot symbol and a second type pilot symbol being orthogonal to said first type pilot symbol so that a pilot symbol pattern in the frequency dimension comprises at least said first type pilot symbol to be transmitted by using a predefined subcarrier and second type pilot symbol to be transmitted by using other predefined subcarrier, and wherein said pilot symbol pattern has a different pattern from a succeeding pilot symbol pattern in time dimension. 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-10291454-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/3a-bfXDAdF27hr1Dnq4CNW.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/#doc_33531 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=5Qd9RZ0NS7yZFFtALN55uF View the Similar Documents (patents + scholarly publications) generated by Google Patents: Patents: https://patents.google.com/?q=~patent%2fUS10291454B2&before=filing:20000705 NPL: https://patents.google.com/?q=~patent%2fUS10291454B2&before=filing:20000705&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. **

Start Date: Fri Jan 28 2022 16:00:46 GMT+0000 (Coordinated Universal Time)

End Date: Tue May 31 2022 15:00:46 GMT+0000 (Coordinated Universal Time)

Attachment:

Unified Patents Claim Chart Template.docx

US10291454B2.pdf

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