In the US, the files of published patents are referred to as ‘file
wrappers’. This means that a patentee cannot tell the USPTO one
thing, and then tell the Court something inconsistent with this when
it comes to enforce the patent secured as a consequence of what
the patentee has told the patent office.
See also "Festo".
Nothing on this site constitutes legal advice, an offer, an offer to treat or a legal relationship.
Always check with your IP consultant.
