The Supreme Court of Canada in Free World Trust v Électro Santé Inc, 2000 SCC 66 rejected the use of extrinsic documents such as file wrappers (patent prosecution histories) for claim construction, on ...

The Canadian Patent Act was amended last year to include a new provision which allows prosecution histories into evidence in patent proceedings to rebut representations made by the patentee regarding ...

IFW Insight is a web-based application for searching, sharing and collaborating on US Patent Image File Wrapper (IFW) documents, which are also commonly referred to as “File History” documents. The ...