Avery Dennison has patented a configurable anti-tamper RFID tag with conductive segments in a ladder configuration. The RFID chip changes data response to tampering, sending different data when the conductive path is broken. GlobalData’s report on Avery Dennison gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Avery Dennison, Pressure Sensitive Adhesive Tape was a key innovation area identified from patents. Avery Dennison's grant share as of January 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.

Configurable anti-tamper rfid tag

Source: United States Patent and Trademark Office (USPTO). Credit: Avery Dennison Corp

A recently granted patent (Publication Number: US11886948B2) discloses a Radio Frequency Identification (RFID) tag designed with a tamper loop to enhance security measures. The RFID tag includes an RFID chip, an RFID antenna, and a tamper loop consisting of multiple conductive segments. When the tamper loop is conductive, the RFID chip sends first data in response to an RFID reader interrogation, and second data when the loop is broken and non-conductive. The conductive segments are arranged in a ladder-like configuration, with parallel segments and series segments between them.

Moreover, the patent also outlines a method for utilizing this RFID tag for monitoring tampering of objects. The method involves attaching the RFID tag with the tamper loop to the object, interrogating it with an RFID reader, and receiving data based on the status of the tamper loop. Additional steps include breaking or removing conductive segments before attaching the tag, ensuring the tamper loop remains conductive. The method also allows for breaking the conductive segments using tools like a die or laser, or manually breaking them at perforations. This innovative approach aims to enhance security and monitoring capabilities in various applications where tamper-proofing is crucial.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.