This is very interesting! Who holds the patent on dog breed identification using DNA analysis?
Hint 1: It is not MARS Labs.
Hint 2: It is not a pharmaceutical company.
Still don't know?
Answer: It is researchers at a federally funded research institution,
Fred Hutchinson Cancer Research Center - Wikipedia, the free encyclopedia 
See link to the patent below:
Patent US7729863 - Methods and materials for canine breed identification - Google Patents