Janssen Research & Development LLC is named on 1 tracked Philadelphia project and 1 Philadelphia filing, as owner. 1 project is live. Most of its project work is in Spring House. It shares projects with 1 other firm.
Every filing and project where the record names them, as owner. Pro shows all of it.
Plus their mailing address.
Every bar is a month of public filings that name Janssen Research & Development LLC, from Oct 2025. A filing counts once, whatever role it names them in.
| Filed | Record | Their role | Where | Value |
|---|---|---|---|---|
| Oct 29, 2025 | Registration | owner | · |
| Project | Their role | Status | Type | Units | Sq Ft | Expected |
|---|---|---|---|---|---|---|
| owner | Proposed | Other | · | · | · |
How this file is built: every count comes from public filings (permits and zoning cases) and the project files Groundbreak tracks in Philadelphia. A filing counts once, however many times it names Janssen Research & Development LLC. Partners are firms named on the same projects or filings.