Professor of Law at the University of California, Irvine School of Law. Research: tax compliance; taxpayer privacy; taxation of business entities.

Joined November 2011
Happy to share that my new book, "Untaxed: The Rich, the IRS, and a New Approach to Tax Compliance" (with @AriGlogower ) has just been published by Cambridge University Press (@CambridgeUP)! Available in hardcover, paperback, and e-book (links below). @UCILaw @NorthwesternLaw
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Wondering what to offer that special tax nerd in your life in this festive season? Look no further. My (highly subjective, biased) choice of the 3 top tax books of 2025.
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Happy to share a draft of a new article, "Audit Guides and the Administrative State", co-authored with Leigh Osofsky, Florida Tax Review, forthcoming, 2026. Our draft and SSRN link are below. @UCILaw @unc_law: papers.ssrn.com/sol3/papers.…
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"Both timely and foundational, this book reveals how the US government already uses computers to provide automated legal guidance and shows the promise and pitfalls of this approach." Automated Agencies by @JoshuaDBlank & Leigh Osofsky, Out Now #AI #Tech #Law #Politics cup.org/3UiLyoh
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Many thanks to Professor Lawrence Zelenak for his very insightful review in this week's @TaxNotes of Leigh Osofsky's and my new book, "Automated Agencies: The Transformation of Government Guidance" (Cambridge University Press, @CUP_Law, 2025). @DukeLaw @unc_law @UCILaw
Perspective: Lawrence A. Zelenak reviews Automated Agencies: The Transformation of Government Guidance by @JoshuaDBlank and Leigh Osofsky on automated agency guidance tools, including the IRS’s Interactive Tax Assistant. taxnotes.co/44sGfaN
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Thank you, Margaret Isa Butler (BakerHostetler, New York), for meeting with our "@UCILaw in NYC" students this morning to speak with us about your career and corporate practice, and for offering invaluable guidance and advice!
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Happy to share that Shari Motro and I have published the 2025 edition of “The Income Tax Map: A Bird's-Eye View of Federal Income Taxation for Law Students” a 36" x 27" visual graphic of the fed income tax law, now available at @WestAcademic: faculty.westacademic.com/Boo…
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Automated Agencies by Joshua D. Blank - @JoshuaDBlank and Leigh Osofsky Automated Agencies is the definitive account of how automation is transforming government explanations of the law to the public. 📚 cup.org/4jgHqAd #commerciallaw
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Many thanks to David Adlerstein (Wachtell, Lipton) for meeting with our @UCILaw in NYC students and alumni this morning, and for describing his practice and sharing invaluable advice!
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