Daniel Aguilar

Senior Associate

Aguilar, Daniel

Daniel Aguilar is a litigation attorney who handles a variety of appellate, investigatory, and criminal matters.


Mr. Aguilar has represented institutional and individual clients in appeals concerning a wide range of issues in both federal and state court. He has represented a patent holder in successfully defending a sanctions award against a large institutional defendant, and a former federal employee pursuing a Title VII discrimination claim. Mr. Aguilar has also served as a court-appointed amicus curiae on behalf of a prisoner who claimed he suffered retaliation because of his religious beliefs. Mr. Aguilar argued the case in the Ninth Circuit Court of Appeals and secured the reversal of the trial court’s decision.

Mr. Aguilar has also represented individual defendants in criminal prosecutions at trial and on appeal. He has represented a former chief accounting officer facing federal conspiracy and obstruction charges, a former corporate board member facing insider trading charges, as well as defendants in Maryland state court facing burglary and identity theft charges. Mr. Aguilar has also represented corporate clients in internal investigations, products liability cases, and breach of contract claims.

Past Experience

Mr. Aguilar was a summer associate at WilmerHale in 2009, and returned to the firm in 2011 after serving as a law clerk to the Hon. Pamela Ann Rymer of the US Court of Appeals for the Ninth Circuit.

Mr. Aguilar graduated from the University of Texas School of Law. He was as an editor of the Texas Law Review and a Chancellor-at-Large of his graduating class. Mr. Aguilar participated in the School of Law’s Supreme Court Clinic and also served as a teaching assistant for first-year criminal law.

Publications & News


May 13, 2014

Success at the Federal Circuit: WilmerHale Earns Five Victories in One Week

WilmerHale has just completed an extremely successful week at the Federal Circuit, receiving favorable decisions in five out of six patent cases concerning various legal issues.

October 29, 2012

The Exclusion Illusion: Fixing a Flawed Health Care Fraud Enforcement System

Year after year, the government announces historic settlements in the area of health care fraud. During the last decade, the annual fines imposed on pharmaceutical companies have increased more than 800 percent, approaching a total of $25 billion.


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JD, University of Texas, 2010, Research Editor, Texas Law Review, Chancellor's Society, Order of the Coif

BA, Economics, University of Chicago, 2007

Bar Admissions

District of Columbia

New York


The Hon. Pamela Ann Rymer, US Court of Appeals for the Ninth Circuit, 2010 - 2011