Uncovering prior art for a 5G routing protocol by digging into unedited 2008 meeting minutes from a European telecom consortium.
The target patent claimed a dynamic low-latency packet routing protocol for 5G networks.
The patent asserted novelty based on dynamically rerouting data packets based on real-time node congestion without dropping the connection—a critical feature for modern mobile streaming.
Cut-off Date: Prior to 2010
Standard searches only look at final, published 3GPP or IEEE standards. The claims were drafted to avoid these published documents, making standard database searches useless.
In 2008, "5G" didn't exist. The terminology used for packet routing and latency was entirely different, rendering modern keyword searches highly ineffective.
We knew that if the technology wasn't in the final standard, it might have been proposed and rejected during the drafting phase.
We bypassed patent databases and accessed the raw, unedited meeting minutes of a 2008 European telecom consortium (ETSI).
Our telecom experts manually reviewed hundreds of pages of draft submissions and "Change Requests" that were never officially published to the public.
We found a "Change Request" (CR) document submitted during a 2008 working group meeting. It detailed the exact dynamic routing protocol.
Although the committee ultimately rejected the proposal, the document was distributed to the attendees at the meeting. This distribution qualified it as a valid public disclosure and perfect prior art.