Enablement

A patent is a bargain: a monopoly in exchange for teaching. If the teaching is not good enough, the bargain fails.

In simple words

The requirement that the specification describe the invention fully enough that a person skilled in the art can perform it across the whole width of the claim, without inventive effort of their own.

Think of it as

Could a competent person in your field build it from your document alone?

Why it matters

Enablement scales with claim breadth. A broad claim to a class of compounds needs enough disclosure to make the whole class work; a claim supported by one worked example and a wish is vulnerable to both the examiner and, later, a revocation counterclaim.

A simple example

A claim to “a polymer coating that reduces friction by at least 40 per cent” supported by a single formulation, with no guidance on how to achieve the effect with anything else, invites an insufficiency objection.

Common mistake

Leaving out the details you consider proprietary. Withholding the working conditions from a patent specification is the fastest way to lose it.

Where it comes from

Patents Act 1970, section 10(4); revocation ground in section 64(1)(h)