Mr. Lewin is an associate in Davis Polk's Financial Institutions Group.

The Supreme Court in Kisor v. Wilkie has declined to overrule Auer v. Robbins and Bowles v. Seminole Rock & Sand Co., instead narrowing deference to a federal agency’s interpretation of its own ambiguous regulations by putting in place new guideposts around its use.  What this means for Auer
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The Supreme Court has updated an important Freedom of Information Act (“FOIA”) exemption for the digital age.  In Food Marketing Institute v. Argus Leader Media, the Supreme Court this week significantly expanded the scope of FOIA Exemption 4, which shields from disclosure “trade secrets and commercial or
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There are two kinds of guidances, according to recently appointed Principal Deputy Associate Attorney General Claire McCusker Murray, which should be treated quite differently.[1]  Her explanation is worth quoting at length:

The key is to distinguish between two categories of guidance, the part that mirrors what the law requires


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Earlier this month, SEC Chairman Jay Clayton and Division of Trading and Markets Director Brett Redfearn engaged in a public dialogue on equity market structure issues.  In addition to reviewing three equity market structure initiatives adopted by the SEC in 2018 (the transaction fee pilot, enhanced order handling
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