Atty. Sean Michael Shimamoto

Atty. Sean Michael Shimamoto

Sean Michael Shimamoto is a lawyer practicing taxation, energy / utilities, debt / lending agreements. Sean received a B.A. degree from University of California at Los Angeles in 1993, and has been licensed for 29 years.

Washington Washington 29 yrs experience 29 year
Call (202) 919-6403 Book Appointment

Profile Summary

About Sean Michael Shimamoto at a glance

Sean Michael Shimamoto is a Partner based in Washington, District of Columbia, practicing at Skadden Arps Slate Meagher And Flom Llp. They have 29+ years of legal experience, licensed to practice since 1997. Their practice focuses on tax and energy. Admitted to practice in Texas (1997), District of Columbia (2001), and California (2012). Educated at New York University (LL.M. Taxation, 1997) and University of California at Los Angeles (B.A., 1993). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sean Michael Shimamoto is a lawyer practicing taxation, energy / utilities, debt / lending agreements
  • Sean received a B.A. degree from University of California at Los Angeles in 1993, and has been licensed for 29 years
  • Sean practices at Skadden, Arps, Slate, Meagher & Flom LLP in Washington, DC

Practice Areas Explained

Sean Michael Shimamoto's Areas of Practice

Each practice area below reflects the types of cases Sean Michael Shimamoto handles, with a brief overview of what that area of law covers.

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Sean Michael Shimamoto is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

Sean Michael Shimamoto is one of 36,230 energy attorneys indexed nationally. Browse energy attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about Sean Michael Shimamoto

Where is Sean Michael Shimamoto's law office located?
Sean Michael Shimamoto's law practice is located in Washington, District of Columbia. The firm is Skadden Arps Slate Meagher And Flom Llp. You can contact the office directly through this profile page.
What practice areas does Sean Michael Shimamoto handle?
Sean Michael Shimamoto focuses on tax, energy. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Sean Michael Shimamoto practiced law?
Sean Michael Shimamoto has 29+ years of legal experience and has been licensed since 1997.
Where did Sean Michael Shimamoto go to law school?
Sean Michael Shimamoto earned their education at (LL.M. Taxation, 1997); (B.A., 1993).
How can I contact Sean Michael Shimamoto for a consultation?
You can contact Sean Michael Shimamoto directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

LL.M. Taxation
New York University
- 1997
B.A.
University of California at Los Angeles
- 1993

Bar Admissions

Texas
Admitted: 1997
District of Columbia
Admitted: 2001
California
Admitted: 2012

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