The 27-year-old musician has sought the copyrights of the title of the single "Look what you made me do", along with line, "The old Taylor can't come to the phone right now" from the same track, according to TMZ.
As per the documents, Swift wants to use the lyrics on the merchandise dedicated to the album, including t-shirts, notebooks, guitar picks, jewellery, bags, and other accessories.
The singer dropped the first song from her upcoming LP recently. "Reputation" releases November 10.
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