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News from Abroad: Canada's Federal Court Questions No File Wrapper Estoppel on Claim Construction

McDonnell Boehnen Hulbert & Berghoff LLP on

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 basis that allowing...more

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