PTAB denies review of Gillette patent
The Patent Trial and Appeal Board has declined to review a razor blade patent owned by Gillette, following a petition for inter partes review (IPR) by Dorco, another razor blade manufacturer.
The decision, which was handed down on Wednesday, June 21, said that the issues which the board was asked to review had previously been considered when the patent application was examined.
Dorco filed the petition in December last year, challenging US patent number 6,684,513, as a response to Gillette suing it for patent infringement.
Gillette filed a preliminary response in April, stating that Dorco did “not show a reasonable likelihood of prevailing with respect to at least one of the challenged claims.”
According to Gillette, Dorco’s analysis was “conclusory with no evidentiary basis,” and was based on “improper hindsight”.
The PTAB said in its decision: “Petitioners’ interests in being heard during an inter partes review are outweighed by the board’s interests in conserving the resources of the office and granting patent owner repose on issues and prior art that have been considered previously.”
It added: “The petition is denied, and no trial or IPR is instituted on any asserted ground.”
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