The most commonly used Catholic prayers to St. Peregrine have no identified author and are not copyrighted. People praying to St. Peregrine may use any of several generally accepted Catholic devotional prayers and a Novena; these prayers are not attributed to any single author.
Supplicants to St. Peregrine, patron of cancer sufferers, may reproduce, distribute and recite Church-approved prayers to St. Peregrine publicly and privately. Since these prayers are in the public domain, individuals or organizations cannot copyright them. Rather than restrict use of these prayers, the Catholic Church encourages cancer patients and their loved ones to pray with both these prayers and spontaneous prayers to St. Peregrine. Authors may copyright original prayers or hymns invoking St. Peregrine.