Has the law and its development resulted in over protection of rights to trade mark owners?

INTELLECTUAL PROPERTY LAW I: INTRODUCTION TO TRADEMARKS AND PATENTS (LAW 339)

– is the expansion of trademark functions and development in trade mark law in the UK and CJEU is flawed? How and why? mention cases and arguments for and against this point. (the requirements of getting a patent. novel, invention, etc.. and extra hidden requirements)

– Has the law and its development resulted in over protection of rights to trade mark owners? For and against arguments as well, mention cases, also mention how trademark owners can extend the 20-year protection period by tweaking a few things in their invention

– Why is it important to protect trade mark owners right and why is it important to protect the public interest. Which one is more important, what’s the reality of the situation. Mention cases and academic literature

– of course you are the expert, please mention whatever you think is important and if you believe the points above are not important just mention them briefly and finally give a strong conclusion