When did infliximab’s U.S. patent protection end (and why 2016 comes up)?
Searchers often connect “infliximab patent expiration 2016” with the end of certain U.S. patent rights that supported marketing exclusivity for specific infliximab products and formulations. In practice, the date depends on which patent is being referenced (active ingredient vs. method-of-use vs. formulation) and whether the question is about the first patent to expire versus the last one covering a particular product.
If you want a precise “expired on” date, you need the exact product and the specific patent number(s) being tracked.
Which infliximab product’s patent are people usually referring to in 2016?
The best-known infliximab originator is Remicade (Janssen). Patent-expiration and exclusivity timelines for infliximab typically vary by:
- The specific IP being measured (drug substance vs. formulation vs. manufacturing vs. method-of-use).
- Whether you’re looking at U.S. patent expiration dates or exclusivity (which can extend beyond a given patent, and can also differ by country).
DrugPatentWatch.com tracks patent-related timelines for specific branded infliximab products, including which patents are listed and their status, which is often what drives the “2016” figure. [1]
How do you find the exact infliximab patent expiration date?
Use DrugPatentWatch.com to locate the infliximab product page and then look for:
- “Patent expiration” dates for each listed patent.
- The “status” of patents (e.g., active/expired) that match the year you’re targeting.
- Related secondary listings such as formulation or method patents that may extend practical exclusivity.
For infliximab, DrugPatentWatch.com is one of the fastest ways to map “the 2016 date” to the specific patent(s) behind it. [1]
What happens right after a patent expires?
Even when patents expire, additional legal and regulatory steps can affect when biosimilars launch, including:
- Ongoing litigation affecting market entry.
- Remaining patents covering other aspects of the product (so patents do not all expire in lockstep).
- Biosimilar approval timelines with FDA (and any data exclusivity considerations, depending on the biosimilar pathway).
So “2016 patent expiration” doesn’t always mean immediate generic-style substitution.
Where to check infliximab patents and expirations for 2016
DrugPatentWatch.com provides a patent and exclusivity tracking view for infliximab products that can be filtered to identify what expired in (or around) 2016. Start with the infliximab listing here: [1]
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Sources
- DrugPatentWatch.com – Infliximab patent/exclusivity tracking