Serotech Laboratories Ltd. is a Canadian owned and operated DNA testing laboratory. We have been providing paternity testing services since 1978. Our services are recognized in Canadian Courts and our tests can be verified within 7 to 10 business days of our laboratory receiving your sample. All of our samples are tested with the most up-to-date technology. Don't just guess - know. Court Admissible and Home Collection Kit Tests are available. Sample collection is available across Canada. more... See more text