Jonathan P. Biller, Business Attorney in Cambridge, Massachusetts
Over 37 years of legal practice · focused on Business and Tax
Celgene Corp.
Cambridge, MA
Practicing business in Cambridge since 1989.
- 37+
- Years practicing
- 2
- Bar admissions
Are you Jonathan P. Biller?
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Quick answer
Jonathan P. Biller is a celgene corp. based in Cambridge, MA. The practice focuses on Business and Tax. Jonathan has over 37 years of legal experience.
- Based in
- Cambridge, MA
- Experience
- over 37 years
- Known for
- Business · Tax
- Handles Business and Tax matters from Cambridge, MA.
- Over 37 years of practice as a licensed attorney.
About Jonathan P. Biller: Jonathan P. Biller is a celgene corp. based in Cambridge, MA. The practice focuses on Business and Tax. Jonathan has over 37 years of legal experience.
Areas of practice
Practice areas handled by Jonathan P. Biller
Jonathan concentrates on business and tax. Each area below outlines the kind of case Jonathan handles, typical outcomes to expect, and how the intake process starts.
Business cases in Cambridge, Massachusetts
Jonathan takes business matters in Cambridge, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Tax cases in Cambridge, Massachusetts
Jonathan takes tax matters in Cambridge, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Biography
About Jonathan P. Biller — Over 37 years of Massachusetts business experience
Jonathan P. Biller is a celgene corp. based in Cambridge, MA. The practice focuses on Business and Tax. Jonathan has over 37 years of legal experience.
Jonathan P. Biller is a lawyer practicing worldwide corporate tax. Jonathan received a A.B. degree from Brown University in 1985, and has been licensed for 37 years. Jonathan practices in Cambridge, MA.
Jonathan's approach to business cases
Jonathan P. Biller is a lawyer practicing worldwide corporate tax. Jonathan received a A.B. degree from Brown University in 1985, and has been licensed for 37 years. Jonathan practices in Cambridge, MA.
Clients Jonathan works with
Jonathan reviews new inquiries case-by-case for business and tax matters in Cambridge and the surrounding Massachusetts area.
Credentials
Jonathan P. Biller's legal education and bar admissions
Yale University
J.D. · 1989
Brown University
A.B. · 1985
Jurisdictions
Jonathan's state bar admissions
Connecticut
1994 · ACTIVE
Illinois
1989 · ACTIVE
Jonathan studied at J.D. in Yale University and A.B. in Brown University.
Law school and academic background
Jonathan completed J.D. in Yale University and A.B. in Brown University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Jonathan runs in Massachusetts is where that training gets applied to real client questions.
Locations
Jonathan P. Biller's office in Cambridge
Jonathan's primary office is at 88 Sidney St, Cambridge, MA, 02139-4137. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Jonathan P. Biller
Jonathan 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 Jonathan P. Biller — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Jonathan usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Jonathan charges for the initial consult. That fee is credited toward representation if you retain Jonathan'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; Jonathan will tell you what matters and what doesn't.
Questions to ask a business attorney in Cambridge, Massachusetts
A short list to run through before you commit: How many business 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 Jonathan
Jonathan discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every business 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. Jonathan confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Jonathan's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Jonathan P. Biller
How much does it cost to hire Jonathan for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Jonathan walks through the likely range during the consult so there are no surprises.
Does Jonathan offer a free consultation?
Jonathan charges for the initial consult; that fee is credited toward representation if you retain Jonathan's office. Some business attorneys offer free consults — check Jonathan's current terms during booking.
How long do business cases in Massachusetts typically take?
Simple business 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. Jonathan gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Jonathan take my case if I'm outside Cambridge?
Jonathan is licensed in Massachusetts. Matters governed by Massachusetts law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Jonathan 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 Jonathan?
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. Jonathan will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Jonathan accepting new business clients right now?
Jonathan's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Business attorneys serving Cambridge, Boston and Worcester in Massachusetts
Jonathan handles business matters throughout Massachusetts. Each city below is a direct link into the search page for verified business attorneys in that community.
More counsel
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If Jonathan's intake is full or the fit isn't right, these business attorneys in Cambridge handle similar matters. Every profile below is verified and open to consultations.

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