No, there is no evidence to suggest that Albert Einstein stole his theories from someone else's research while working as a patent office clerk. The idea that Einstein plagiarized or stole his work is a misconception and has been thoroughly debunked.
Einstein's groundbreaking theories, such as the theory of relativity and the photoelectric effect, were the result of his own original thinking and intellectual insight. While working at the patent office in Switzerland, Einstein had access to scientific literature and stayed informed about the latest developments in physics. However, his revolutionary ideas were not derived from the work of others.
It is true that Einstein was working as a patent examiner during the time he made some of his most significant contributions to physics. His job involved examining patent applications, which gave him exposure to various technological inventions and scientific ideas. However, there is no evidence to support the claim that he based his theories on patent applications or the work of others.
Einstein's scientific achievements were recognized and validated by the scientific community during his lifetime, and his work continues to be widely studied, confirmed, and built upon by physicists today.