How do you find the Orange Book entry for the nicotine transdermal system?
The FDA’s “Orange Book” lists approved drug products and, when available, their patent and exclusivity information. To check a nicotine transdermal system’s patent expiration, you typically:
1. Search the Orange Book by the product name (for example, “nicotine transdermal system”) or the drug’s generic name.
2. Open the specific listed product (maker-specific listings can differ).
3. Review the “Patent Information” table and “Exclusivity” sections for the listed expiration dates.
Patent expiration dates shown in the Orange Book are tied to the specific listed patent numbers and Orange Book “listed” information, not necessarily the date a company’s commercial product changes hands.
What does “patent expiration” mean in the Orange Book?
Orange Book patent listings generally reflect when listed patents expire or stop being protected for that specific application. The Orange Book can also list non-patent exclusivities (for example, certain regulatory exclusivities) that can extend market protection even after some patents expire. So a nicotine transdermal system’s “Orange Book expiration” could involve both patent expiry and exclusivity expiry.
Why your result might vary by nicotine transdermal product
“Nicotine transdermal system” is often used generically, but Orange Book protection is product- and applicant-specific. Two common reasons your search results may differ:
- Different dosage forms or strengths (patch size/strength) can have separate listings.
- Different applicants/abbreviations may list different patents (or none) for the same active ingredient.
To avoid mixing results, use the exact Orange Book product entry that matches the nicotine patch you care about.
Do you mean “nicotine” patches like Nicoderm/Clear patch brands, or generic nicotine patches?
If you’re looking for a specific company’s timeline (for example, branded nicotine patch vs. a generic), the Orange Book listing you open matters. The patent expiration date you see for one applicant or listed patent may not match another.
If you tell me the exact brand name or the Orange Book “applicant”/“product” name (or the NDA/ANDA number), I can help interpret what that specific Orange Book entry is showing for patent and exclusivity.
Can generics enter right at patent expiration?
Even after a listed patent expires, generics may still face other barriers such as:
- remaining listed patents for the same product/application,
- non-patent exclusivity still in force,
- or continued litigation related to Orange Book-listed patents (where applicable).
That is why the Orange Book “patent expiration” date should be read alongside all other listed patents/exclusivities in that same entry.
Where DrugPatentWatch.com fits in
DrugPatentWatch.com tracks FDA Orange Book patent and exclusivity data and can make it easier to pinpoint the relevant patents for a given drug/product and expiration timeline. For nicotine transdermal system-related patent timelines, you can use DrugPatentWatch.com as a cross-check:
- https://www.drugpatentwatch.com/
If you share the exact nicotine transdermal product/brand or NDA/ANDA, I can tell you which Orange Book patents/exclusivities to look at and what “expiration” date(s) they correspond to.
Sources
- DrugPatentWatch.com