With nearly 70 people now tagged as felons in New York as a result of Operation Perfect Hedge, firms need to come up with a quick list of not only what is allowed, but what is not allowed.

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Hopefully as we understand more about CTE and its symptoms and progression, sports teams will be able to make better rules about what is and is not allowed on the field, and safety equipment regulations will perhaps also evolve.

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But the court relied on a basic principle of most established legal systems, that what is not specifically prohibited should be allowed, and ruled that the trademark law did not prohibit lawyers from acting as agents and that, moreover, a 1997 law governing lawyers said that they could provide any legal service, and that filing trademarks was certainly a legal service.

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Proclaimed as the first victim of Singapore's newly-enforced Computer Misuse Act, the 17-year old Garyl Tan Jia Luo picked up 18 months of probation (some of which will be at home) instead of jail time, but what's potentially worse is the fact that he is not allowed to access the internet during his stint.

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So the politics of who is and who is not allowed to enter this country, and on what terms, has always been contentious.

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Indeed, Mr. Brill fails to tell readers that by law, Medicare is not allowed to use cost-effectiveness as a criterion in determining what services to cover.

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