2.9.2.17.3 Analogous Use

Date Published

The principle underlying the doctrine of analogous use was stated in British Liquid Air Co. Ltd. v British Oxygen Co. Ltd. (1909) 26 RPC 509 at page 532:

"the application of a known device to its ordinary purpose under analogous circumstances is not good subject matter for Letters Patent, because it does not involve invention".

In Harwood v Great Northern Railway Co. 35 LJQB 27 at page 38 it was stated:

"You cannot have a patent for a well known mechanical contrivance merely because it is applied in a manner or to a purpose which is analogous to the manner, or for the purpose in or to which it has been hitherto notoriously used."

There are three prerequisites in establishing analogous use:

  • the use of the device (and not a mere description thereof) must be proved or admitted;
    Pope Appliance Corporation v Spanish River Pulp Paper Mills Ltd. 46 RPC 23, at page 56.
  • the device must be used for its ordinary purpose; and
    Morgan v Windover (1890) 7 RPC 131.

  • the circumstances of the use must be truly analogous.
    British Liquid Air Co. Ltd. v British Oxygen Co. Ltd. 26 RPC 509.