The US non-profit organisation Gluten Intolerance Group (GIG) has initiated a lawsuit against the world well-known chef Jamie Oliver.
GIG possesses a certification trademark GF which certifies that the relevant food products are gluten free. It is required the products to pass strict certification program.
In the case at hand, GIG claims that Jamie Oliver has used the sign GF for some of his recipes without to prove that the products have passed any certification process.
According to the organisation, this constitutes a trademark infringement which can create a confusion among the consumers that the products have been previously certified so as to use the sign GF.
Source: WIPR.
INTELLECTUAL PROPERTY PLANET 
Letters of the alphabet, singularly, collectively or in acronym form and the common names of products should never be allowed to be singularly trade marked without an accompanying logo. Thus means any person should be able to use GF, which could also mean Get Further.
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