As this Court explained 100 and some years ago in its Burrows-Giles opinion, such constructions are accorded very great weight and, as that Court went on to say, when consistent and unchallenged for over a century are almost conclusive that consistent construction by Congress of its authority under the Copyright and Patent Clause now has lasted from the 105th -- from the first through the 105th Congress.
Burrows-Giles opinion will continue through to the 106th Congress.
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