437. Construction of claims.

The scope of protection conferred by a patent is, unless the context otherwise requires, that specified in a claim1 of the specification of the patent2. The specification must, however, be read as a whole, through the eyes of the person skilled in the art3, because thereby the necessary background of the words used in the claims may be affected or defined by what is said in the body of the specification4. The specification should be given a purposive construction rather than a purely literal one derived from the application of meticulous verbal analysis5. The specification is concerned with what