Dean Joseph Leffelman
What legal issues can this attorney help with?
Dean Joseph Leffelman handles Securities and Investment and Corporation and Partnership law, demonstrating established expertise across 46 years of dedicated practice, focusing on related specializations and Corporate and Securities issues in Lisle and whole Illinois.
- Corporate Governance
- Corporate Law
- Mergers & Acquisitions Law
- Corporate Law
- Business Law
- Acquisitions
- Corporate Finance Law
- Business Law
- Private Equity
- Real Estate Law
- Business Law
- Estate Planning & Administration
- Probate Law
- Estate Law
In addition to the primary focus, Dean Joseph Leffelman maintains deep specialization in related areas of Corporate and Securities law, including: corporate governance, corporate law, mergers & acquisitions law, corporate law, business law, and acquisitions.
- Corporate and Securities Lawyers
- Find Illinois Corporate and Securities Law Firms
- Lisle Corporate and Securities Law Firms
- Other Lawyers Around 60532 ZIP
What do clients say?
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Third-Party Reviews (Aggregated)
This attorney has an external rating of 5 out of 5 stars,
based on initial external feedback, derived from 1 review.
All ratings are collected across trusted third-party legal directories (avvo, lawyers.com, google reviews).
Are they licensed? Since when?
Admitted to the bar in Illinois, reflecting 46+ years of active Corporate and Securities practice in Lisle.
This extensive 46 years of tenure signifies deep experience in complex scenarios and established professional roots, assuring profound knowledge of the local legal landscape.
Established Mastery and Deep Tenure
Based on the attorney's substantial tenure of 46 years, the firm holds established authority equivalent to resolving over 828 complex legal matters. This deep experience represents consistent mastery and established roots in the Lisle legal environment.Not sure what a law license or bar admission really means? Here’s a quick explanation.
- Bar Admission: 1980
- Licensed 46 Years
Where do they practice and meet clients?
Based primarily in the Lisle area,
the office for Dean Joseph Leffelman is located at 2300 Cabot Drive, Suite 455.
View available contact options.
Address
- 2300 Cabot Drive, Suite 455
- Lisle, Illinois 60532
- DuPage County
While serving clients across DuPage County, this attorney’s license permits representation in all courts throughout the entire State of Illinois.
An office address doesn’t always tell the full story. Learn what it really means.
- Time Zone: America/Chicago
- This ensures you schedule calls within the attorney's operating hours.
- Area Population (est.): ~28000 ppl
- This figure offers insight into the attorney's local market experience.
- Population Density: ~3130 per mi²
- Higher density often correlates with increased local court activity.
- Browse attorneys in Lisle.
- See all legal experts available in this jurisdictional area.
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Jurisdictional Area & Local Context
| State | Illinois State |
| City, Street | Lisle (2300 Cabot Drive, Suite 455) |
| ZIPCode | 60532 (DuPage County) |
| Serving CSA/CBSA | Chicago-Naperville, IL-IN-WI/Chicago-Naperville-Elgin, IL-IN-WI |
How can you contact this attorney?
If you are facing an urgent issue, the quickest way to resolve it is to call (630) 955-6390 and discuss your matter over the phone.
- Phone: (630) 955-6390
Prepare a brief, chronological summary of the facts and a list of your key questions before the call to ensure you maximize the attorney's time. Gather and have all relevant documents related to your case immediately accessible.
Data Integrity Notice: Due to either an unlisted preference or the submission of a general marketing email, a direct client-specific address is not displayed on this profile. Our policy is to only present confirmed direct contact channels to prevent potential client confusion or misdirection.
What are the office hours?
For immediate assistance or to schedule an initial consultation about Corporate and Securities law services, please call the attorney's office directly. Call now: (630) 955-6390. Using the primary number is the most efficient way to confirm current availability and discuss your case next steps.
No hours set
Where did they study law?
This attorney (Dean Joseph Leffelman),
received their legal qualification from John Marshall Law School after first completing undergraduate studies at Northern Illinois University (website).
- Law School:
- Undergraduate:
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What languages do they speak?
Dean Joseph Leffelman states that English is the primary language for client communication. However, this does not preclude the possibility of internal support or limited non-English communication concerning Corporate and Securities matters.
- English
Do they work with a law firm or a team?
Even though no partners, associates, or other employees are listed here, that doesn't mean that Dean Joseph Leffelman doesn't have any – they're simply not included.
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