© 2004 by Crown Copyright
© Crown Copyright
MARKEM CORPORATION v ZIPHER LTD (NO.1)
(H.H. Judge Fysh Q.C., sitting as a judge of the High Court): March 25–28 and 31, April 1–3, 7 and 8 and July 4, 20031
[2004] R.P.C. 10
Patent—Application—Entitlement—Broadly drafted claims covering claimant's prior art—Whether claimant entitled to any rights—Whether validity relevant in assessing scope of invention—Meaning of "invention"—Criteria for co-ownership of mixed contributions—What amounts to "devising" an invention—Causation.
1 Paragraph numbers are as assigned by the court. This judgment is to be read with the Second Interim Judgment dated July 21, 2003 reported at [2004] R.P.C. 11.