[Patentpractice] [Patentcenter] What's minimum font size for drawings?

[Dale Quisenberry]

David,

In view that as being the responsibility of the patent draftsman.  He/she should know the answer.

Best regards,

Dale

C. Dale Quisenberry
Quisenberry Law PLLC
832.680.1000

Sent from my iPhone

On Sep 29, 2025, at 9:43 AM, David Boundy via Patentcenter <patentcenter at oppedahl-lists.com> wrote:


37 CFR § 1.84(p)(1) says text in drawings must be 1/8 inch high.   At 72 points to the inch, that's 9 point.  But after leaving room for descenders and inter-line spacing, I assume that 9 point is too small.
Has anyone figured out what point size I need to ask for from my formal drawings guy?   Thanks

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