This collection contains the trial proceedings of the Xerox vs IBM patent case that occurred in 1977. In the Federal Court of Canada, Trial Division Between: Xerox Corporation and Xerox of Canada Limited, Plaintiffs, and IBM Canada Limited IBM Canada Limitee, Defendants. Trial Proceedings: Before the Honourable Mr. Justice Frank Collier, held in the Federal Court of Canada, 330 University Avenue, Toronto, Ontario, Canada, commencing on Tuesday, March 15, 1977 at the hour of 10 a.m. Appearances: Donald F. Sim, Esq., Q.C. and Ronald Dimock, Esq., Q.C. For the Plaintiff. And Russel Smart, Esq., Q.C. and James Kokonis, Esq., Q.C. For the Defendants. Hubbard Court Reporting Co. Ltd., Chartered Shorthand Reporters. Head Office: Ottawa, Canada. Tel: (613) 238-1848. Branch Office: Toronto, Canada. Tel: (416) 366-3474. Trial proceedings from Xerox Corporation v IBM Canada (1977) 33 C.P.R. (2d) 24. This is a noted patent case, as well as dealing with the issue of quality and reliability of expert witnesses.