William Bill McConagha

FDA Law

5.0 (1 reviews)

Washington, District of Columbia

32+ years experience

Latham & Watkins LLP

Updated: Jan 03, 2026

Contact Information

202-637-2200

https://www.lw.com/en/people/william-mcconagha

555 Eleventh Street, NW, Suite 1000, Washington, DC 20004-1304

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Bio

William McConagha is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law.William, who practices law in Washington, District of Columbia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William is held by other top lawyers in the same geographic and legal practice area. William McConagha is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law.William, who practices law in Washington, District of Columbia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William is held by other top lawyers in the same geographic and legal practice area. William McConagha is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. William, who practices law in Washington, District of Columbia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William is held by other top lawyers in the same geographic and legal practice area.

Local Legal Snapshot

Typical Consultation

$150-$300

Typical Hourly Range

$250-$450/hr

Fee Model Notes

Hourly or flat-fee billing is common.

Estimates vary by market, complexity, urgency, and attorney experience.

Practice Areas

FDA Law

Awards & Recognition

Recognized: FDA Law

Recognized in Best Lawyers since 2014

Education

Georgetown University, J.D., graduated 1993

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Reviews

Carol Kim

3 months ago

Invaluable FDA Regulatory Guidance for Our Product Launch

Our company faced a complex regulatory pathway for a new medical device. William McConagha’s deep knowledge of FDA law, honed over three decades, was immediately apparent. He provided a clear, strategic roadmap that navigated the agency's requirements with precision. His long-standing recognition in this field gave us immense confidence. William and the team at Latham & Watkins were not just reactive advisors but proactive partners, anticipating challenges we hadn't considered. The successful clearance was a direct result of his exceptional expertise and meticulous approach. We cannot recommend him highly enough.