CAYSTON
· Patent Litigation & Settlement History ↓
Current GenericRadar decision
POST_ANCHOR_RIGHTS. Canonical anchor 2017-02-22; tails [{"kind":"PATENT","number_or_code":"US7208141","date":"2021-12-20"},{"kind":"PATENT","number_or_code":"US7214364","date":"2021-12-20"},{"kind":"PATENT","number_or_code":"US7427633","date":"2021-12-20"},{"kind":"PATENT","number_or_code":"US8399496","date":"2021-12-20"}]
Patent estate
| Patent | Effective date | Official listing | TRUE_DS | DS grade | Claim classification / basis | PTE | PED | Family |
|---|---|---|---|---|---|---|---|---|
| US7208141 | 2021-12-20 | DP/U U-1031 | N | N | DP_U Nebulized aztreonam composition and treatment; method claims restrict organisms including multidrug-resistant Pseudomonas. Do not equate this with every approved Pseudomonas infection. Full product scope is not established by the retrieved claims and product evidence; no DS-equivalent promotion is made. | — | — | — |
| US7214364 | 2021-12-20 | DP — | N | N | DP Inhalable aztreonam lysinate dry-powder composition; dependent saline-dilution claims must be distinguished from administration of dry powder. Full product scope is not established by the retrieved claims and product evidence; no DS-equivalent promotion is made. | — | — | — |
| US7427633 | 2021-12-20 | DP/U U-1031 | N | N | DP Aztreonam lysinate aerosolable saline formulation. Full product scope is not established by the retrieved claims and product evidence; no DS-equivalent promotion is made. | — | — | — |
| US8399496 | 2021-12-20 | DP/U U-1377 | N | N | DP_U Inhalable aztreonam lysinate composition and inhalation method; not a new active-compound monopoly. Full product scope is not established by the retrieved claims and product evidence; no DS-equivalent promotion is made. | — | — | — |
Regulatory exclusivity
| Code | Start date | End date | Scope | Entire product | All indications | Full coverage date | Combination | Source |
|---|---|---|---|---|---|---|---|---|
| ODE | 2010-02-22 | 2017-02-22 | CF-associated Pseudomonas respiratory indication; all approved CAYSTON indications. | Y | Y | 2017-02-22 | Source |
2026-10-12 · HISTORICAL_RECORDS_RECOVERED · Historical coverage: ANNUALS_2011_2026_REVIEWED
2026-10-10 · NO_RECORD_IN_CURRENT_SNAPSHOT · Historical coverage: NOT_COMPLETE
Generic approval evidence
| Application / product | Event | Final date | Tentative date | Applicant | Authorized generic | Exact mapping | Source |
|---|---|---|---|---|---|---|---|
| No generic approval facts are linked to this product. | |||||||
Market Entry Information
API filings, authorized generics and linked regulatory milestones.
API Master Files & Certifications 0 records
Ingredient-level registrations from linked public manufacturer portfolios. A filing does not establish supply to this finished product. DMFs are not FDA approvals.
| API | Holder / manufacturer | Holder country | Filing type | Number | Status | Filed date | Available for reference | Source | Last verified |
|---|---|---|---|---|---|---|---|---|---|
| No master-file or certification records are linked through public manufacturer portfolios. | |||||||||
Authorized Generics 0 records
Authorized generics are shown separately from independent ANDA approvals.
| Application / product | Applicant | Event / status | First marketed | Product mapping | Source | Last verified |
|---|---|---|---|---|---|---|
| No authorized-generic records are linked to this product. | ||||||
Tentative ANDA Approvals 0 records
Tentative approval is not final approval. Historical tentative approvals remain visible after a linked final approval.
| Application / product | Applicant | Event / status | Tentative date | Follow-up final approval | Product mapping | Source | Last verified |
|---|---|---|---|---|---|---|---|
| No tentative-approval records are linked to this product. | |||||||
Paragraph IV Challenges 0 records
Paragraph IV challenges below are sourced from legal records separately from FDA approvals. An ANDA filing, lawsuit or settlement does not establish final approval or commercial launch.
| Application / product | Applicant | Event / status | Certification event date | Product mapping | Source | Last verified |
|---|---|---|---|---|---|---|
| No structured Paragraph IV certification events are linked in the available approval evidence. | ||||||
Final ANDA Approvals 0 records
Approval dates do not establish commercial launch. Product mapping is shown for each linked record.
| Application / product | Applicant | Event / status | Final approval date | Product mapping | Source | Last verified |
|---|---|---|---|---|---|---|
| No final-approval records are linked to this product. | ||||||
Decision evidence (6)
| Type | Date | Role | Basis | Source |
|---|---|---|---|---|
| PATENT | 2021-12-20 | FTO_TAIL | Inhalable aztreonam lysinate dry-powder composition; dependent saline-dilution claims must be distinguished from administration of dry powder. Full product scope is not established by the retrieved claims and product evidence; no DS-equivalent promotion is made. | Source |
| PATENT | 2021-12-20 | FTO_TAIL | Aztreonam lysinate aerosolable saline formulation. Full product scope is not established by the retrieved claims and product evidence; no DS-equivalent promotion is made. | Source |
| PATENT | 2021-12-20 | FTO_TAIL | Nebulized aztreonam composition and treatment; method claims restrict organisms including multidrug-resistant Pseudomonas. Do not equate this with every approved Pseudomonas infection. Full product scope is not established by the retrieved claims and product evidence; no DS-equivalent promotion is made. | Source |
| PATENT | 2021-12-20 | FTO_TAIL | Inhalable aztreonam lysinate composition and inhalation method; not a new active-compound monopoly. Full product scope is not established by the retrieved claims and product evidence; no DS-equivalent promotion is made. | Source |
| REGULATORY_EXCLUSIVITY | 2017-02-22 | CANONICAL_ANCHOR | CF-associated Pseudomonas respiratory indication; all approved CAYSTON indications. | Source |
| REGULATORY_STATUS | 2017-02-22 | DECISION_BASIS | POST_ANCHOR_RIGHTS. Canonical anchor 2017-02-22; tails [{"kind":"PATENT","number_or_code":"US7208141","date":"2021-12-20"},{"kind":"PATENT","number_or_code":"US7214364","date":"2021-12-20"},{"kind":"PATENT","number_or_code":"US7427633","date":"2021-12-20"},{"kind":"PATENT","number_or_code":"US8399496","date":"2021-12-20"}] | Source |
Litigation & Settlement History
Settlement launch rights generally apply only to the named parties and product scope. These records do not change GenericRadar patent/exclusivity anchors or current decisions.
No litigation or settlement record currently linked to this product.