Bruce Buyer (retired) was a member of the Illinois State Bar Association, Decalogue Society of Lawyers, and Chicago Bar Association, where he was Chair of the Tax Sale/Tax Deed Subcommittee and of the State and Municipal Taxation Committee.

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He spoke before various groups on real estate taxation, tax sales and tax deeds. He participated in drafting various sections of the Illinois Property Tax Code (formerly the Revenue Act of 1939) and litigated numerous trial, appellate, and Illinois Supreme Court cases. He represented numerous title companies, lending institutions, corporations, and individuals relative to real estate tax matters.

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His practice areas included all facets of real estate taxation and litigation, and other real estate transactional matters relating to residential, commercial, and industrial properties.