Amazon.com has settled a patent infringement suit brought against the online retailer by Smartphone Technologies, a subsidiary of Acacia Research, according to a report by paidContent.org. Smartphone Technologies filed the suit in October, alleging that Amazon’s new line of Kindle devices infringed on five patents held by the company.

“We dispute the allegations of wrongdoing and intend to vigorously defend ourselves in this matter,” Amazon wrote in a SEC filing shortly after the suit was filed in East Texas.

Terms of the settlement were not disclosed, and paidContent’s Jeff Roberts says that the settlement comes as a surprise given that “that the patents in question appear to be of questionable value.”

Here are the five patents as previously listed in Amazon’s SEC filing:

–“Power-Conserving Intuitive Device Discovery Technique In A Bluetooth Environment” (U.S. Patent No. 6,950,645).

–“Handheld Computer System That Attempts To Establish An Alternative Network Link Upon Failing To Establish A Requested Network Link” (U.S. Patent No. 7,506,064).

–“Method And Apparatus For Communicating Information Over Low Bandwidth Communications Networks” (U.S. Patent No. RE 40,459).

–“Method For Controlling A Handheld Computer By Entering Commands Onto A Displayed Feature Of The Handheld Computer” (U.S. Patent No. 6,956,562).

–“System and Method For Displaying And Manipulating Multiple Calendars On A Personal Digital Assistant” (U.S. Patent No. 6,466,236).

Previously on GeekWire: “Ouch, Amazon hit with more than eight patent suits in 55 days.”

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