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patentpulse.theaslangroupllc.com patent cliff
https://patentpulse.theaslangroupllc.com/api/patent/cliff
answers 402
Pharma patent cliff / drug patent expiry / generic-entry analysis by drug name (e.g. Humira, Ozempic). Returns the patent expiry calendar, exclusivity timeline, and generic/biosimilar entry outlook across US, EU, and Japan, plus related USPTO patents. For IP and investment agents. Worldwide.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.15
- Network
- base
- Pay to
- 0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 219 ms
- Payment options
- 13 usable of 13
- Last checked
- 2026-09-06T01:20:47.142Z (35d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fpatentpulse.theaslangroupllc.com%2Fapi%2Fpatent%2Fcliff"