Can the proportions of features in patent drawings be used as evidence?
Generally, the proportions of features in patent drawings cannot be relied upon as evidence unless the drawings are explicitly stated to be to scale. The MPEP 2125 states: “When the reference does not disclose that the drawings are to scale and is silent as to dimensions, arguments based on measurement of the drawing features are…
Read MoreCan patent drawings be used to determine specific dimensions or proportions?
Can patent drawings be used to determine specific dimensions or proportions? Generally, patent drawings cannot be relied upon to determine specific dimensions or proportions unless explicitly stated to be to scale. According to MPEP 2125: “When the reference does not disclose that the drawings are to scale and is silent as to dimensions, arguments based…
Read MoreIs it necessary to disclose critical values or proportions in the specification?
According to MPEP 716.02(f), it is not necessary to disclose critical values or proportions in the specification for applicants to present evidence showing these values or proportions to be critical. The section specifically states: “The specification need not disclose proportions or values as critical for applicants to present evidence showing the proportions or values to…
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