Dr. Zavos has a long career as a reproductive specialist and is the chief scientist in the development of several new and innovative technologies in the animal and human reproductive areas with worldwide implications.

Below is a list of patents granted to Dr. Zavos by the United States Patent and Trademark Office, for his pioneering developments in the field of sperm manipulation. The information from each of these links can also be accessed from the United States Patent and Trademark Office website.

Furthermore, Dr. Zavos has pioneered numerous other technologies which may be viewed under the "Being First" page.

	US Patent & Trademark Office
	Patent Number	5,976,389
	Title	Method of semen filtration
	Inventor(s)	Panayiotis M. Zavos
	Date Granted	November 2, 1999

	US Patent & Trademark Office
	Patent Number	5,937,919
	Title	Fluid layering apparatus
	Inventor(s)	Panayiotis M. Zavos; Panayota N. Zarmakoupis-Zavos
	Date Granted	August 17, 1999

	US Patent & Trademark Office
	Patent Number	5,908,380
	Title	Compartmentalized Zavos sperm swim-up column
	Inventor(s)	Panayiotis M. Zavos; Panayota N. Zarmakoupis-Zavos
	Date Granted	June 1, 1999

	US Patent & Trademark Office
	Patent Number	4,999,283
	Title	Method for x and y spermatozoa separation
	Inventor(s)	Panayiotis M. Zavos; Karl A.Dawson
	Date Granted	March 12, 1991