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Any new and industrially applicable technical solution to a problem in any sphere of human effort is patentable. It could be a product, a method, or an improvement on any of the foregoing.
Any innovative technical solution to a problem in any sphere of human activity that requires an inventive step and is industrially applicable. It could be a product, a method, or an improvement on any of the foregoing.
Any composition of lines or colors, or any three-dimensional form, whether associated with lines or colors, is an industrial design: As long as the composition or form has a unique appearance and can be used as a pattern for an industrial product or handicraft.