(a) identical with that registered and in use by another firm or person, with the name of a limited partnership formed or continued under the Limited Partnership Act or of an extra-provincial limited partnership that has filed a declaration under the Limited Partnership Act, with the name of a company under the Companies Act or of a corporation or body corporate under any other general or special Act, or that so nearly resembles such a name that it is likely to deceive, unless the existing firm, person, partnership, company, corporation or body corporate signifies in writing his or its consent to the use of the name in whole or in part,

(b) deceptively misdescriptive,

(c) prohibited by regulation, or

(d) reserved for a corporation, body corporate, firm or business or an intended corporation, body corporate, firm or business.