How many email patterns does O'Brien Hatfield, PA use?

O'Brien Hatfield, PA uses 2 known email patterns.

What domain does O'Brien Hatfield, PA use for work emails?

O'Brien Hatfield, PA uses markjobrien.com for work email addresses.

Most Common Email Formats at O'Brien Hatfield, PA

O'Brien Hatfield, PA's most common email format is First.Last@markjobrien.com (ex. John.Doe@markjobrien.com), used for 67% of markjobrien.com addresses. O'Brien Hatfield, PA uses 2 email patterns.

@markjobrien.com

2 patterns

Format	Example	Share of markjobrien.com
First.Last@markjobrien.comMost common	John.Doe@markjobrien.com	67%
FirstLast@markjobrien.com	JohnDoe@markjobrien.com	33%

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Browse O'Brien Hatfield, PA's employee directory (about 9 employees) and reveal verified emails free.

Frequently Asked Questions

What does O'Brien Hatfield, PA do?

O'Brien Hatfield, PA was founded in 2002 and operates in the Law Practice industry, alongside similar companies like Akerman LLP, Dean Mead and Shutts & Bowen LLP. You can visit markjobrien.com or contact O'Brien Hatfield, PA's headquarters by phone at

+1-813-390-****

. Explore O'Brien Hatfield, PA's company overview page for more information.

What is O'Brien Hatfield, PA's email address format?

O'Brien Hatfield, PA's email format typically follows the pattern of First.Last@markjobrien.com; this email format is used 67% of the time. Other contacts within LeadIQ's database had email formats such as FirstLast@markjobrien.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does O'Brien Hatfield, PA have currently?

O'Brien Hatfield, PA has approximately 9 employees as of September 2026. Key team members to contact include Vice President: J. H., Certified Paralegal: K. R. and Criminal Defense Attorney: O. G. For more team information and contact data, explore O'Brien Hatfield, PA's employee directory with LeadIQ.

O'Brien Hatfield, PA Email Format

Law PracticeFlorida, United States2-10 Employees

O'Brien Hatfield, P.A. is a small Tampa-based criminal defense law firm that represents individuals and businesses facing federal and select state charges across Florida and beyond. The firm concentrates on complex matters, including federal and state white-collar crimes, drug trafficking, and fraud, handling both trial and post-conviction proceedings. It is led by Mark J. O'Brien, Esq., a former prosecutor in Miami, whose experience informs its approach to defense. Clients are drawn from across Florida and nationally who require aggressive, skilled defense against serious charges. The practice emphasizes both trial work and appellate and post-conviction motions to pursue comprehensive defense strategies.

Most common format

First.Last@markjobrien.com

Example: John.Doe@markjobrien.com

2 patterns. See all formats

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Most Common Email Formats at O'Brien Hatfield, PA

@markjobrien.com

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Frequently Asked Questions

What does O'Brien Hatfield, PA do?

What is O'Brien Hatfield, PA's email address format?

How many employees does O'Brien Hatfield, PA have currently?

O'Brien Hatfield, PA Email Format

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What you can expect from LeadIQ:

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Everything for prospecting,
in one platform.