www.fdanews.com/articles/87160-pfizer-japan-takes-countermeasures-against-fake-viagra
PFIZER JAPAN TAKES COUNTERMEASURES AGAINST 'FAKE' VIAGRA
May 30, 2006
Pfizer Japan has taken countermeasures against "fake" Viagra in Japan. Pfizer Japan announced on May 29 that the Japanese Customs has accepted a claim by Pfizer to protect the trademark of Viagra (sildenafil citrade), its proprietary ED agent, and suspend the importation of counterfeits.
JCN Network (http://www.japancorp.net/Article.Asp?Art_ID=12607)