Have a look at this recent decision concerning a trade mark application for a telephone number:
1-800-Flowers.Com, Inc v Registrar of Trade Marks  FCA 209
This case involves a dispute between 1300Flowers and 1800Flowers.
It reminds me of the domain name decisions concerning "Phonewords". See for example:
the 1300fitness.com.au decision.
In Canada, o n June 13, 2014, a Canadian court issued an injunction requiring Google to remove certain websites from its internet search res...
This website has some useful links and references: http://www.epiphanysolutions.co.uk/article-index/rights-and-laws-of-the-internet/
Reading for the Internet patent class: Patent Wars What should be patented? Do Internet patents threaten ecommerce? History of softwa...