Dennis J Manning III, IP Attorney in Philadelphia, Pennsylvania
Over 21 years of legal practice
AttorneyatDuane Morris LLP
Philadelphia, PA
Practicing ip in Philadelphia since 2005.
- 21+
- Years practicing
- 1
- Bar admission
Practices in
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Quick answer
Dennis J Manning III is an attorney based in Philadelphia, PA. The practice focuses on IP. Dennis has over 21 years of legal experience. Currently practicing at Duane Morris LLP.
- Based in
- Philadelphia, PA
- Experience
- over 21 years
- Known for
- IP
- Handles IP matters from Philadelphia, PA.
- Over 21 years of practice as a licensed attorney.
About Dennis J Manning III: Dennis J Manning III is an attorney based in Philadelphia, PA. The practice focuses on IP. Dennis has over 21 years of legal experience. Currently practicing at Duane Morris LLP.
Areas of practice
Practice areas handled by Dennis J Manning III
Dennis concentrates on ip. Each area below outlines the kind of case Dennis handles, typical outcomes to expect, and how the intake process starts.
IP cases in Philadelphia, Pennsylvania
Dennis takes ip matters in Philadelphia, Pennsylvania. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Dennis agrees to represent you.
Biography
About Dennis J Manning III — Over 21 years of Pennsylvania ip experience
Dennis J Manning III is an attorney based in Philadelphia, PA. The practice focuses on IP. Dennis has over 21 years of legal experience. Currently practicing at Duane Morris LLP.
Dennis J Manning III is a lawyer practicing intellectual property. Dennis received a B.A. degree from Yale University in 1998, and has been licensed for 21 years. Dennis practices at Duane Morris LLP in Philadelphia, PA.
How Dennis handles ip matters
Dennis J Manning III is a lawyer practicing intellectual property. Dennis received a B.A. degree from Yale University in 1998, and has been licensed for 21 years. Dennis practices at Duane Morris LLP in Philadelphia, PA.
The kind of cases Dennis takes
Dennis reviews new inquiries case-by-case for ip matters in Philadelphia and the surrounding Pennsylvania area.
Credentials
Dennis J Manning III's legal education and bar admissions
Temple University Beasley School of Law
J.D. · 2004
Yale University
B.A. · 1998
Jurisdictions
Dennis's state bar admissions
Pennsylvania
2005 · ACTIVE
Dennis studied at J.D. in Temple University Beasley School of Law and B.A. in Yale University.
Law school and academic background
Dennis completed J.D. in Temple University Beasley School of Law and B.A. in Yale University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Dennis runs in Pennsylvania is where that training gets applied to real client questions.
Locations
Dennis J Manning III's office in Philadelphia
Dennis's primary office is at 30 South 17th Street, Philadelphia, PA, 19103. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Dennis J Manning III
Dennis has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
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Schedule your consultationHiring guide
How to hire Dennis J Manning III — what to expect in your first consultation
Working with a new ip attorney should feel structured. Here's how the first two conversations with Dennis usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Dennis charges for the initial consult. That fee is credited toward representation if you retain Dennis's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Dennis will tell you what matters and what doesn't.
Questions to ask a ip attorney in Philadelphia, Pennsylvania
A short list to run through before you commit: How many ip matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for Dennis
Dennis discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in ip practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every ip matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Dennis confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Dennis's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many ip practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Dennis J Manning III
How much does it cost to hire Dennis for a ip case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Dennis walks through the likely range during the consult so there are no surprises.
Does Dennis offer a free consultation?
Dennis charges for the initial consult; that fee is credited toward representation if you retain Dennis's office. Some ip attorneys offer free consults — check Dennis's current terms during booking.
How long do ip cases in Pennsylvania typically take?
Simple ip matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Dennis gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Dennis take my case if I'm outside Philadelphia?
Dennis is licensed in Pennsylvania. Matters governed by Pennsylvania law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Dennis will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with Dennis?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Dennis will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Dennis accepting new ip clients right now?
Dennis's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
IP attorneys serving Philadelphia, Pittsburgh and Harrisburg in Pennsylvania
Dennis handles ip matters throughout Pennsylvania. Each city below is a direct link into the search page for verified ip attorneys in that community.
More counsel
Other top-rated ip attorneys in Pennsylvania
If Dennis's intake is full or the fit isn't right, these ip attorneys in Philadelphia handle similar matters. Every profile below is verified and open to consultations.

Gary Green
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5.0· 47

Dennis L. Abramson, Esq.
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5.0· 25

Casey B. Green
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Nancy L. Lanard
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Shawn McBrearty
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5.0· 9

Alexis Dillett Isztwan
Huntingdon Valley, Pennsylvania
5.0· 9