Related to the last post, I tried different search terms with the Canadian Patents Database (http://brevets-patents.ic.gc.ca/opic-cipo/cpd/eng/introduction.html). One of the results for the search term “PZP” was: http://brevets-patents.ic.gc.ca/opic-cipo/cpd/eng/patent/2378478/summary.html (12) Patent Application: (11) CA 2378478 (54) English Title: FERTILITY IMPAIRING VACCINE CONTAINING … Continue reading →