Hyman F. Glass, 63, an Alexandria lawyer who had a private law practice specializing in intellectual property law, died Sunday at his home in Alexandria after a heart attack.

Mr. Glass was born in Quincy, Mass., and grew up in the Boston area. He was a 1940 graduate of Northeastern University in Boston, receiving a degree in chemical engineering.

During World War II he served overseas in the Army before being assigned to Oak Ridge, Tenn., as an engineer assigned to the development of the first atomic bomb.

Mr. Glass moved to this area after the war. He worked for several years as a patent examiner for the U.S. Patent and Trademark Office. After obtaining a law degree from George Washington University in 1951, he opened his own law practice.

He was a member of the Agudas Achim Congregation of Alexandria and the Alexandria Host Lions Club.

Survivors include his wife, Irma, of Alexandria, whom he married in 1947; two sons, Samuel, of Pittsburgh, and Roger P., of Alexandria, and a sister, Janet Kaminsky, of Montreal, Canada.

The family suggests that expressions of sympathy be in the form of contributions to the Agudas Achim Congregation of Alexandria, 2908 Valley Drive, Alexandria, Va.