Has the introduction of the doctrine of equivalents resulted in legal uncertainties that affect the delicate balance between patentee interests and public interest?

INTELLECTUAL PROPERTY LAW II: INTRODUCTION TO TRADE MARKS AND PATENTS (LAW 339)

Critically assess how patent claims were construed in the UK prior to the introduction of the ‘doctrine of equivalents.’

Has the introduction of the doctrine of equivalents resulted in legal uncertainties that affect the delicate balance between patentee interests and public interest?