CHAPTER $6$ Inter Partes Proceedings, Infringement, and Dilution$1452.$Use the USPTO$$s trademark search database and locate U$.$S$.$ Registration No$.4464325.$ Select $$TTAB Status.$$ a$.$Who filed a Petition to Cancel the Registration on April $21,2014?$b$.$Review the Petition to Cancel. What three claims were alleged?c$.$Review the document filed on September $3,2015($Document $25).$ What reason was given for the filing of this document?$3.$Use TTABVue $($at the website of the Trademark Trial and Appeal Board$)$ and look for the proceeding involving Serial No$.86145979.$ Review the Request for Extension of Time to Oppose, filed on February $17,2015.$ What was the $$good cause$$ cited in the Request?$4.$Use TTABVue $($at the website of the Trademark Trial and Appeal Board$)$ and review Opposition No$.91212239.$ a$.$Who was the opposer?b$.$Briefly describe the marks objected to by the opposer.c$.$Review the TTAB$$s decision dated November $18,2014.$ What was the result of this opposition?$5.$Review Chapter $3$ of the Trademark Trial and Appeal Board Manual of Procedure. a$.$May two or more parties file a notice of opposition or petition to cancel jointly?b$.$What is a $$combined complaint$?$