With Respect to the Issue of Counterfeit Brands, It Is

Short Answer

With respect to the issue of counterfeit brands, it is correct to say that
counterfeit brands used to be a big problem, but new legislation in various countries has reduced the problem considerably.
counterfeit brands are a big problem in products like perfume and designer clothing, but less of a problem in pharmaceuticals and expensive wines.
consumers benefit from counterfeit goods because they can get good products for lower prices.
it is generally easy to tell the difference between counterfeit goods and the real thing.
none of the above are correct.