Opposition Filed
Opposition filed by TEVA PHARMACEUTICAL INDUSTRIES, LTD.
EP Register Verified
NEW THERAPEUTIC COMBINATIONS COMPRISING PIRFENIDONE AND PDE4-INHIBITOR FOR THE TREATMENT OF PROGRESSIVE FIBROSING INTERSTITIAL LUNG DISEASES
Publication No.
EP4426298
•
App No.
EP22839143
•
Filed by
Boehringer Ingelheim International GmbH
•
Filed on
2022-12-08
•
Issued/Published on
2026-02-11
Publication No.
EP4426298
A1
Application No.
EP22839143
Filed: 2022-12-08
Grant Date
2026-02-11
Mention of grant
Active Oppositions
1 Active
EPO Oppositions
Patent Abstract / Summary
Patent abstract is being processed or was not provided in English by the publishing office.
IPC Classifications
A61K31/4418, A61K31/496, A61K31/519, A61P11/00
Priority Claims
US 202163287641P
Date: 2021-12-09
EP 20210218207
Date: 2021-12-29
EP 20220177757
Date: 2022-06-08
Designated Contracting States (39 EPC States)
Albania
(AL)
Austria
(AT)
Belgium
(BE)
Bulgaria
(BG)
Switzerland
(CH)
Cyprus
(CY)
Czech Republic
(CZ)
Germany
(DE)
Denmark
(DK)
Estonia
(EE)
Spain
(ES)
Finland
(FI)
France
(FR)
United Kingdom
(GB)
Greece
(GR)
Croatia
(HR)
Hungary
(HU)
Ireland
(IE)
Iceland
(IS)
Italy
(IT)
Liechtenstein
(LI)
Lithuania
(LT)
Luxembourg
(LU)
Latvia
(LV)
Monaco
(MC)
Montenegro
(ME)
North Macedonia
(MK)
Malta
(MT)
Netherlands
(NL)
Norway
(NO)
Poland
(PL)
Portugal
(PT)
Romania
(RO)
Serbia
(RS)
Sweden
(SE)
Slovenia
(SI)
Slovakia
(SK)
San Marino
(SM)
Turkey
(TR)
Parties & Representation
Applicants
Boehringer Ingelheim International GmbH
Binger Strasse 173, 55216 Ingelheim am Rhein
DEInventors (8)
HESSLINGER, Christian
55216 Ingelheim am Rhein
DEBAUER, Verena
55216 Ingelheim am Rhein
DEBOSSERT, Sebastian Martin
55216 Ingelheim am Rhein
DEKOBER, Susan
55216 Ingelheim am Rhein
DELIU, Yi
Ridgefield, Connecticut 06877-0368
USNICKOLAUS, Peter
55216 Ingelheim am Rhein
DESARNO, Maria
55216 Ingelheim am Rhein
DEVOSS, Florian
55216 Ingelheim am Rhein
DERepresentatives / Agents
Boehringer Global Patents
Binger Strasse 173, 55216 Ingelheim am Rhein
DELutze, Oliver, et al
Boehringer Ingelheim International GmbH, Binger Straße 173
DEElkington and Fife LLP
Prospect House, 8 Pembroke Road
GBKey Procedural Dates
Request-For-Examination
2024-06-03
Mention Of Grant Published
2026-02-11
First-Examination-Report-Despatched
2024-10-15
Patent Oppositions
Official opposition proceedings filed against European Patent EP4426298 under EPC Article 99.
#1
Opponent
Company
TEVA PHARMACEUTICAL INDUSTRIES, LTD.
124 Dvora HaNevi'a St., IL
Representative
Elkington and Fife LLP
Filing
Date
Opposition in Progress
2026-10-22
Legal Status & Event History
Official European Patent Office legal and procedural status changes recorded for this file.
| Date | Code | Event Description | Auth |
|---|---|---|---|
| 2023-06-16 | STAA | INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT | EP |
| 2023-01-17 | STAA | INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT | EP |
| 2024-08-08 | PUAI | PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE | EP |
| 2024-08-08 | STAA | INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT | EP |
| 2024-09-11 | 17P | REQUEST FOR EXAMINATION FILED | EP |
| 2024-09-11 | AK | DESIGNATED CONTRACTING STATES | EP |
| 2024-10-11 | STAA | INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT | EP |
| 2024-11-13 | 17Q | FIRST EXAMINATION REPORT DESPATCHED | EP |
| 2025-02-07 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2025-03-19 | DAX | REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (DELETED) | EP |
| 2025-03-19 | DAV | REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (DELETED) | EP |
| 2025-09-21 | GRAP | DESPATCH OF COMMUNICATION OF INTENTION TO GRANT A PATENT | EP |
| 2025-09-21 | STAA | INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT | EP |
| 2025-10-22 | INTG | INTENTION TO GRANT ANNOUNCED | EP |
| 2025-12-17 | GRAS | GRANT FEE PAID | EP |
| 2026-01-09 | GRAA | (EXPECTED) GRANT | EP |
| 2026-01-09 | STAA | INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT | EP |
| 2026-01-21 | P01 | OPT-OUT OF THE COMPETENCE OF THE UNIFIED PATENT COURT (UPC) REGISTERED | EP |
| 2026-02-11 | AK | DESIGNATED CONTRACTING STATES | EP |
| 2026-02-11 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-03-05 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-03-11 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-03-20 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-03-30 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-04-01 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-03-26 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-04-15 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2022-12-08 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-05-08 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-05-13 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-06-04 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-08-28 | REG | REFERENCE TO A NATIONAL CODE | EP |
| 2026-10-06 | PG25 | LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO] | EP |
| 2026-10-30 | PLBI | OPPOSITION FILED | EP |
Patent & Non-Patent Citations
Cited documents and prior art referenced in search and examination reports.
No citations recorded for this publication.
Worldwide Patent Family
Related applications and patents in the same INPADOC worldwide family.
| Country | Publication Number | Kind | Publication Date | Action |
|---|---|---|---|---|
| EP | EP4426298A1 | A1 | 2024-09-11 | Espacenet |
| EP | EP4426298B1 | B1 | 2026-02-11 | Espacenet |
| AU | AU2022404695A1 | A1 | 2024-05-02 | Espacenet |
| AU | AU2022404695B2 | B2 | 2025-08-28 | Espacenet |
| AU | AU2025271046A1 | A1 | 2025-12-11 | Espacenet |
| AU | AU2025271047A1 | A1 | 2025-12-11 | Espacenet |
| AU | AU2025271047B2 | B2 | 2026-10-29 | Espacenet |
| CA | CA3236757A1 | A1 | 2023-06-15 | Espacenet |
| CL | CL2024001530A1 | A1 | 2024-11-22 | Espacenet |
| CL | CL2024003601A1 | A1 | 2025-03-21 | Espacenet |
| CN | CN118369098A | A | 2024-07-19 | Espacenet |
| DK | DK4426298T3 | T3 | 2026-03-30 | Espacenet |
| EP | EP4494701A2 | A2 | 2025-01-22 | Espacenet |
| EP | EP4494701A3 | A3 | 2025-04-02 | Espacenet |
| EP | EP4520394A2 | A2 | 2025-03-12 | Espacenet |
| EP | EP4520394A3 | A3 | 2025-04-02 | Espacenet |
| ES | ES3066432T3 | T3 | 2026-05-13 | Espacenet |
| FI | FI4426298T3 | T3 | 2026-03-20 | Espacenet |
| HR | HRP20260398T1 | T1 | 2026-05-08 | Espacenet |
| IL | IL312742A | A | 2024-07-01 | Espacenet |
| IL | IL327768A | A | 2026-06-01 | Espacenet |
| JP | JP2024541514A | A | 2024-11-08 | Espacenet |
| JP | JP2026116968A | A | 2026-07-14 | Espacenet |
| JP | JP7910257B2 | B2 | 2026-08-24 | Espacenet |
| KR | KR20240116816A | A | 2024-07-30 | Espacenet |
| KR | KR20260004529A | A | 2026-01-08 | Espacenet |
| LT | LT4426298T | T | 2026-04-10 | Espacenet |
| MX | MX2024006271A | A | 2024-06-11 | Espacenet |
| MX | MX2024010637A | A | 2024-09-06 | Espacenet |
| PL | PL4426298T3 | T3 | 2026-07-20 | Espacenet |
| PT | PT4426298T | T | 2026-03-26 | Espacenet |
| RS | RS67899B1 | B1 | 2026-04-30 | Espacenet |
| SI | SI4426298T1 | T1 | 2026-06-30 | Espacenet |
| TW | TW202342050A | A | 2023-11-01 | Espacenet |
| TW | TW202615042A | A | 2026-04-16 | Espacenet |
| US | US20230190754A1 | A1 | 2023-06-22 | Espacenet |
| US | US20250017934A1 | A1 | 2025-01-16 | Espacenet |
| WO | WO2023104961A1 | A1 | 2023-06-15 | Espacenet |
Official File Inspection
EPC Art. 128 Public Dossier
Complete European Patent Register Dossier (148 Total Documents)
The full inspection file for Application EP22839143 contains 148 total documents, including all notices of opposition, proprietor counter-statements, examination communications, third-party observations, and procedural forms. Below are all major recorded procedural filings and publication specifications.
Recorded Filings & Patent Specifications
Official publication specifications, opposition filings, proprietor replies, and procedural submissions.
European Patent Specification - Granted Patent (B1)
Publication Specification
Date: 2026-02-11
Procedure: Grant
EP4426298B1
Official European Patent Register Full Dossier
Publication Specification
Date: 2026-02-11
Procedure: All Proceedings (Examination & Opposition)
EP22839143
European Patent Application with Search Report (A1)
Publication Specification
Date: 2023-06-15
Procedure: Publication
EP4426298A1
Opposition filed
Dossier Filing
Date: 2026-10-30
Procedure: Opposition
0009260
Lapse of the patent in a contracting state
Dossier Filing
Date: 2026-10-09
Procedure: Examination
0009250
Change - representative
Dossier Filing
Date: 2026-09-11
Procedure: Examination
EPIDOS FREP
(Expected) grant
Dossier Filing
Date: 2026-01-09
Procedure: Grant
0009210
New entry: Renewal fee paid
Dossier Filing
Date: 2026-01-06
Procedure: Examination
EPIDOSNRFE2
Renewal fee payment
Procedural Step
Date: 2026-01-02
Procedure: Examination
RFEE
New entry: Payment of fee for grant
Dossier Filing
Date: 2025-12-17
Procedure: Grant
EPIDOSNIGR3
New entry: Payment of fee for publishing/printing
Dossier Filing
Date: 2025-12-17
Procedure: Examination
EPIDOSNIGR5
New entry: Receipt of the translation of the claim(s)
Dossier Filing
Date: 2025-12-16
Procedure: Examination
EPIDOSNIGR7
Intention to grant the patent
Procedural Step
Date: 2025-09-22
Procedure: Grant
IGRA
New entry: Communication of intention to grant a patent
Dossier Filing
Date: 2025-09-21
Procedure: Grant
EPIDOSNIGR1
Change - German title
Dossier Filing
Date: 2025-09-19
Procedure: Examination
0008199TIDE
Change - English title
Dossier Filing
Date: 2025-09-19
Procedure: Examination
0008199TIEN
Change - French title
Dossier Filing
Date: 2025-09-19
Procedure: Examination
0008199TIFR
Change - German title
Dossier Filing
Date: 2025-09-12
Procedure: Examination
0008199TIDE
Change - French title
Dossier Filing
Date: 2025-09-12
Procedure: Examination
0008199TIFR
New entry: Reply to examination report
Dossier Filing
Date: 2025-08-16
Procedure: Examination
EPIDOSNEXR3
New entry: Despatch of examination report + time limit
Dossier Filing
Date: 2025-06-19
Procedure: Examination
EPIDOSNEXR2
Communication from the examining division
Procedural Step
Date: 2025-06-18
Procedure: Examination
EXRE
New entry: Reply to examination report
Dossier Filing
Date: 2025-06-04
Procedure: Examination
EPIDOSNEXR3
New entry: Despatch of examination report + time limit
Dossier Filing
Date: 2025-02-21
Procedure: Examination
EPIDOSNEXR2
Communication from the examining division
Procedural Step
Date: 2025-02-20
Procedure: Examination
EXRE
Change - extension states
Dossier Filing
Date: 2025-02-14
Procedure: Examination
0009199EXPT
Change: Validation states
Dossier Filing
Date: 2025-02-14
Procedure: Examination
0009199VAPT
New entry: Renewal fee paid
Dossier Filing
Date: 2025-01-03
Procedure: Examination
EPIDOSNRFE2
Renewal fee payment
Procedural Step
Date: 2025-01-02
Procedure: Examination
RFEE
Change - divisional application(s)
Dossier Filing
Date: 2024-12-13
Procedure: Examination
0008199DANR
Change - divisional application(s)
Dossier Filing
Date: 2024-11-29
Procedure: Examination
0008199DANR
New entry: Reply to examination report
Dossier Filing
Date: 2024-11-25
Procedure: Examination
EPIDOSNEXR3
New entry: Despatch of examination report + time limit
Dossier Filing
Date: 2024-10-16
Procedure: Examination
EPIDOSNEXR2
Communication from the examining division
Procedural Step
Date: 2024-10-15
Procedure: Examination
EXRE
First examination report
Dossier Filing
Date: 2024-10-11
Procedure: Examination
0009185
Publication in section I.1 EP Bulletin
Dossier Filing
Date: 2024-08-08
Procedure: Examination
0009012
The date on which the examining division becomes responsible, has been established
Dossier Filing
Date: 2024-08-08
Procedure: Examination
EPIDOSNEXAM52
Request for examination filed
Dossier Filing
Date: 2024-08-08
Procedure: Examination
0009171
PCT data prior to European publication
Dossier Filing
Date: 2024-06-11
Procedure: Examination
EPIDOS PCT
PCT data prior to European publication
Dossier Filing
Date: 2024-06-08
Procedure: Examination
EPIDOS PCT
Amendment by applicant
Dossier Filing
Date: 2024-06-05
Procedure: Examination
EPIDOS ABEX
PCT data prior to European publication
Dossier Filing
Date: 2024-06-05
Procedure: Examination
EPIDOS PCT
Change - representative
Dossier Filing
Date: 2024-06-03
Procedure: Examination
EPIDOS FREP
PCT data prior to European publication
Dossier Filing
Date: 2024-06-03
Procedure: Examination
EPIDOS PCT
Payment of national basic fee
Procedural Step
Date: 2024-06-03
Procedure: Examination
FFEE
Payment of the first designation fee
Procedural Step
Date: 2024-06-03
Procedure: Examination
DEST
Payment of the fee for examination
Procedural Step
Date: 2024-06-03
Procedure: Examination
EXAM_PCT
Date on which the examining division has become responsible
Procedural Step
Date: 2024-06-03
Procedure: Examination
EXAM52
Amendments
Procedural Step
Date: 2024-06-03
Procedure: Examination
ABEX
PCT data prior to European publication
Dossier Filing
Date: 2023-06-16
Procedure: Examination
EPIDOS PCT
New entry: applicant or inventor
Dossier Filing
Date: 2023-06-16
Procedure: Examination
EPIDOSNWIAI
Preliminary examination - PCT II
Procedural Step
Date: 2023-06-01
Procedure: Examination
PREX
PCT data prior to European publication
Dossier Filing
Date: 2023-03-31
Procedure: Examination
EPIDOS PCT
PCT data prior to European publication
Dossier Filing
Date: 2023-01-17
Procedure: Examination
EPIDOS PCT
Validation of the patent
Procedural Step
Procedure: Examination
VAPT
Extension of the patent
Procedural Step
Procedure: Examination
EXPT
Language of the procedure
Procedural Step
Procedure: Examination
PROL
International searching authority
Procedural Step
Procedure: Examination
ISAT