From Longman Dictionary of Contemporary Englishhave/get a corner on somethinghave/get a corner on somethingBBTSELLto be the only company, organization etc that has a particular product, ability, advantage etc London does not have a corner on film festivals. The company admitted reducing prices to get a corner on the market. → corner
Examples from the Corpus
have/get a corner on something• Any other old drunk would have got a corner on the fourth page. 