by Steve Driskill | Jun 10, 2015 | [sub] extrinsic evidence, Claim Interpretation
Word-for-word alignment of the specification with the claim language is unnecessary for the appropriate meaning of a claim term to be ascertained from the intrinsic record. Here, for example, although the term “sealed” tank was added to the claims during prosecution...
by Steve Driskill | May 21, 2015 | [sub] motivation, Obviousness
Even an obvious solution does not render an invention obvious if the problem solved was previously unknown. Here, for example, even though the addition of the claimed “antioxidant” would have been an obvious solution for a formulation with known oxidation problems,...
by Steve Driskill | May 18, 2015 | [sub] clarity, Indefiniteness
The term “substantially” does not necessarily require an objective standard of measure as long as the claim scope is reasonably certain. Here, for example, a user interface feature in which double tapping a displayed document causes it to be enlarged and...
by Steve Driskill | May 12, 2015 | [sub] reissue, PTO Procedure
Amendments during reissue may be deemed broadening and thereby render a patent unenforceable if they broaden a previous and controlling claim construction from prior litigation even if the PTO’s broadest reasonable interpretation may perceive them as narrowing. Here,...
by Steve Driskill | May 7, 2015 | [sub] secondary considerations, Obviousness
A claimed feature associated with mere regulatory compliance cannot be used to establish the secondary consideration of commercial success for the purposes of rebutting an otherwise prima facie case of obviousness. Here, for example, the claimed “sterility” of a...