CA3121168A1 - Heterodimeric tetravalency and specificity antibody compositions and uses thereof - Google Patents
Heterodimeric tetravalency and specificity antibody compositions and uses thereof Download PDFInfo
- Publication number
- CA3121168A1 CA3121168A1 CA3121168A CA3121168A CA3121168A1 CA 3121168 A1 CA3121168 A1 CA 3121168A1 CA 3121168 A CA3121168 A CA 3121168A CA 3121168 A CA3121168 A CA 3121168A CA 3121168 A1 CA3121168 A1 CA 3121168A1
- Authority
- CA
- Canada
- Prior art keywords
- seq
- nos
- immunoglobulin
- domain
- acid sequence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
- C07K16/46—Hybrid immunoglobulins
- C07K16/468—Immunoglobulins having two or more different antigen binding sites, e.g. multifunctional antibodies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/395—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
- A61K39/39533—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals
- A61K39/39558—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals against tumor tissues, cells, antigens
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
- C07K16/2803—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
- C07K16/2803—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
- C07K16/2809—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily against the T-cell receptor (TcR)-CD3 complex
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
- C07K16/30—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
- C07K16/3076—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells against structure-related tumour-associated moieties
- C07K16/3084—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells against structure-related tumour-associated moieties against tumour-associated gangliosides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/32—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against translation products of oncogenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
- C07K2317/35—Valency
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/52—Constant or Fc region; Isotype
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/52—Constant or Fc region; Isotype
- C07K2317/526—CH3 domain
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
- C07K2317/62—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
- C07K2317/622—Single chain antibody (scFv)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
- C07K2317/66—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising a swap of domains, e.g. CH3-CH2, VH-CL or VL-CH1
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/73—Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
- C07K2317/92—Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Biophysics (AREA)
- Oncology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Cell Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biomedical Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Epidemiology (AREA)
- Peptides Or Proteins (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Medicinal Preparation (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862774111P | 2018-11-30 | 2018-11-30 | |
| US62/774,111 | 2018-11-30 | ||
| US201962794523P | 2019-01-18 | 2019-01-18 | |
| US62/794,523 | 2019-01-18 | ||
| PCT/US2019/063854 WO2020113164A1 (en) | 2018-11-30 | 2019-11-29 | Heterodimeric tetravalency and specificity antibody compositions and uses thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3121168A1 true CA3121168A1 (en) | 2020-06-04 |
Family
ID=70853677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3121168A Pending CA3121168A1 (en) | 2018-11-30 | 2019-11-29 | Heterodimeric tetravalency and specificity antibody compositions and uses thereof |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20220098329A1 (enExample) |
| EP (1) | EP3902834A4 (enExample) |
| JP (3) | JP2022510218A (enExample) |
| AU (1) | AU2019387482A1 (enExample) |
| CA (1) | CA3121168A1 (enExample) |
| WO (1) | WO2020113164A1 (enExample) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111201030B (zh) | 2017-07-25 | 2024-11-01 | 真和制药有限公司 | 通过阻断tim-3和其配体的相互作用治疗癌症 |
| KR20210124308A (ko) | 2019-01-30 | 2021-10-14 | 트루바인딩 아이엔씨. | 항-gal3 항체 및 이의 용도 |
| JP7137696B2 (ja) | 2019-05-14 | 2022-09-14 | プロヴェンション・バイオ・インコーポレイテッド | 1型糖尿病を予防するための方法および組成物 |
| AU2020392243A1 (en) | 2019-11-28 | 2022-06-16 | Regenxbio Inc. | Microdystrophin gene therapy constructs and uses thereof |
| MX2022014786A (es) | 2020-05-26 | 2023-01-16 | Truebinding Inc | Metodos para tratar enfermedades inflamatorias mediante el bloqueo de galectina-3. |
| KR20230092863A (ko) | 2020-06-11 | 2023-06-26 | 프로벤션 바이오, 인코포레이티드 | 제1형 당뇨병을 예방하기 위한 방법 및 조성물 |
| WO2022018262A1 (en) | 2020-07-24 | 2022-01-27 | Cellectis S.A. | T-cells expressing immune cell engagers in allogenic settings |
| EP4192489A4 (en) | 2020-08-05 | 2024-12-11 | Synthekine, Inc. | IL2RB-BINDING MOLECULES AND METHODS OF USE |
| JP7743500B2 (ja) | 2020-08-05 | 2025-09-24 | シンセカイン インコーポレイテッド | Il10受容体結合性分子および使用方法 |
| US12540188B2 (en) | 2020-08-05 | 2026-02-03 | Synthekine, Inc. | IL10Rα/IL2Rγ synthetic cytokines |
| US11124568B1 (en) * | 2020-08-19 | 2021-09-21 | Vitruviae LLC | CD3/CD25 antibodies for neuro-immune diseases |
| EP4210832A1 (en) * | 2020-09-14 | 2023-07-19 | Vor Biopharma, Inc. | Chimeric antigen receptors for treatment of cancer |
| AU2021381768A1 (en) * | 2020-11-18 | 2023-06-22 | Memorial Sloan Kettering Cancer Center | Anti-gpa33 multi-specific antibodies and uses thereof |
| AU2022205313A1 (en) * | 2021-01-06 | 2023-07-20 | Tonix Pharma Limited | Methods of inducing immune tolerance with modified anti-cd154 antibodies |
| WO2022150791A2 (en) * | 2021-01-11 | 2022-07-14 | Synthekine, Inc. | Compositions and methods related to il2 receptor binding |
| AU2022218137A1 (en) | 2021-02-03 | 2023-08-24 | Mozart Therapeutics, Inc. | Binding agents and methods of using the same |
| EP4341300A1 (en) | 2021-05-21 | 2024-03-27 | Cellectis S.A. | Enhancing efficacy of t-cell-mediated immunotherapy by modulating cancer-associated fibroblasts in solid tumors |
| MX2023013851A (es) | 2021-05-24 | 2023-12-08 | Provention Bio Inc | Metodos para el tratamiento de diabetes tipo 1. |
| CN117940459A (zh) * | 2021-08-25 | 2024-04-26 | 西雅图免疫公司 | 靶向egfr和her3的双特异性四价抗体 |
| WO2023055376A1 (en) * | 2021-09-30 | 2023-04-06 | Virtuoso Binco, Inc. | Multispecific antibodies for targeting cd47 and icam1 and methods of use thereof |
| EP4419567A4 (en) * | 2021-10-20 | 2025-09-17 | Memorial Sloan Kettering Cancer Center | MULTI-SPECIFIC ANTI-TSHR ANTIBODIES AND THEIR USES |
| JP2024540374A (ja) | 2021-11-05 | 2024-10-31 | アメリカン ダイアグノスティックス アンド セラピー, エルエルシー (エーディーエックスアールエックス) | がん胎児性抗原に対するモノクローナル抗体、及びそれらの使用 |
| JP7767613B2 (ja) | 2021-11-15 | 2025-11-11 | システィミューン,インコーポレイテッド | 二重特異性抗体-カンプトテシン薬物複合体及びその製薬的使用 |
| EP4467569A4 (en) * | 2022-01-21 | 2026-02-11 | Harbour Biomed Shanghai Co Ltd | ANTI-B7-H7 ANTIBODIES OR ANTIGEN-BINDING FRAGMENT OF THESE, ITS PREPARATION PROCESS AND ITS USE |
| IL315960A (en) | 2022-03-30 | 2024-11-01 | Pinetree Therapeutics Inc | Bispecific antibodies comprising an nrp1 binding domain and methods of use thereof |
| CN114685609B (zh) * | 2022-04-11 | 2023-04-14 | 东北农业大学 | 一种超短自组装抗菌肽fwr及其制备方法与应用 |
| US20250002588A1 (en) | 2023-04-07 | 2025-01-02 | Diagonal Therapeutics Inc. | Bispecific agonistic antibodies to activin a receptor like type 1 (alk1) |
| EP4720125A1 (en) | 2023-05-30 | 2026-04-08 | Paragon Therapeutics, Inc. | Alpha4beta7 integrin antibody compositions and methods of use |
| EP4762093A1 (en) | 2023-08-14 | 2026-06-24 | Paragon Therapeutics, Inc. | Alpha 4 beta 7 integrin binding proteins and methods of use |
| CN118146376B (zh) * | 2024-05-09 | 2024-07-05 | 成都微芯新域生物技术有限公司 | Hla-g抗体及其制备方法和用途 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7147851B1 (en) * | 1996-08-15 | 2006-12-12 | Millennium Pharmaceuticals, Inc. | Humanized immunoglobulin reactive with α4β7 integrin |
| US7070995B2 (en) * | 2001-04-11 | 2006-07-04 | City Of Hope | CE7-specific redirected immune cells |
| US7125843B2 (en) * | 2001-10-19 | 2006-10-24 | Neose Technologies, Inc. | Glycoconjugates including more than one peptide |
| WO2009129538A2 (en) * | 2008-04-18 | 2009-10-22 | Xencor, Inc. | Human equivalent monoclonal antibodies engineered from nonhuman variable regions |
| NZ603581A (en) * | 2010-06-19 | 2015-05-29 | Sloan Kettering Inst Cancer | Anti-gd2 antibodies |
| CN103429620B (zh) * | 2010-11-05 | 2018-03-06 | 酵活有限公司 | 在Fc结构域中具有突变的稳定异源二聚的抗体设计 |
| WO2012162067A2 (en) * | 2011-05-21 | 2012-11-29 | Macrogenics, Inc. | Cd3-binding molecules capable of binding to human and non-human cd3 |
| KR101850591B1 (ko) * | 2012-10-05 | 2018-04-19 | 제넨테크, 인크. | 염증성 장 질환의 진단 및 치료 방법 |
| SG11201506451UA (en) * | 2013-03-06 | 2015-09-29 | Merrimack Pharmaceuticals Inc | Anti-c-met tandem fc bispecific antibodies |
| MX2015013163A (es) * | 2013-03-15 | 2016-04-04 | Zyngenia Inc | Complejos multiespecificos multivalente y monovalentes y sus usos. |
| CN105530959B (zh) * | 2013-03-15 | 2021-09-17 | 纪念斯隆-凯特琳癌症中心 | 多聚化技术 |
| CA2904805A1 (en) * | 2013-04-29 | 2014-11-06 | F. Hoffmann-La Roche Ag | Fc-receptor binding modified asymmetric antibodies and methods of use |
| ES2959480T3 (es) * | 2014-02-07 | 2024-02-26 | Univ Mcmaster | Acoplador de células T - antígeno trifuncional y métodos y usos del mismo |
| MX386342B (es) * | 2014-07-25 | 2025-03-18 | Memorial Sloan Kettering Cancer Center | Móleculas de unión a her2 y cd3 biespecíficas. |
| BR112017024770A2 (pt) * | 2015-05-21 | 2018-07-31 | Alligator Bioscience Ab | polipeptídeos inovadores |
| EP3526257A2 (en) * | 2016-10-14 | 2019-08-21 | Dana-Farber Cancer Institute, Inc. | Modular tetravalent bispecific antibody platform |
| EP3574012A1 (en) * | 2017-01-27 | 2019-12-04 | Memorial Sloan Kettering Cancer Center | Bispecific her2 and cd3 binding molecules |
| KR20190140943A (ko) * | 2017-04-24 | 2019-12-20 | 메모리얼 슬로안 케터링 캔서 센터 | 항-cd33 항체 제제 |
-
2019
- 2019-11-29 JP JP2021530200A patent/JP2022510218A/ja active Pending
- 2019-11-29 CA CA3121168A patent/CA3121168A1/en active Pending
- 2019-11-29 WO PCT/US2019/063854 patent/WO2020113164A1/en not_active Ceased
- 2019-11-29 EP EP19889678.9A patent/EP3902834A4/en active Pending
- 2019-11-29 US US17/298,008 patent/US20220098329A1/en active Pending
- 2019-11-29 AU AU2019387482A patent/AU2019387482A1/en active Pending
-
2024
- 2024-08-09 JP JP2024133895A patent/JP2024174865A/ja active Pending
-
2026
- 2026-03-16 JP JP2026042273A patent/JP2026116944A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP3902834A4 (en) | 2022-08-24 |
| JP2026116944A (ja) | 2026-07-14 |
| US20220098329A1 (en) | 2022-03-31 |
| WO2020113164A1 (en) | 2020-06-04 |
| JP2024174865A (ja) | 2024-12-17 |
| AU2019387482A1 (en) | 2021-06-17 |
| EP3902834A1 (en) | 2021-11-03 |
| JP2022510218A (ja) | 2022-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220098329A1 (en) | Heterodimeric tetravalency and specificity antibody compositions and uses thereof | |
| US12612456B2 (en) | CD19 antibodies and methods of using the same | |
| US12441793B2 (en) | CD33 antibodies and methods of using the same to treat cancer | |
| JP7805287B2 (ja) | 抗steap1抗体およびその使用 | |
| US20230212289A1 (en) | Anti-cd3 antibodies and uses thereof | |
| JP7788859B2 (ja) | がんを処置するための抗cd33抗体 | |
| CA3133074A1 (en) | Cd22 antibodies and methods of using the same | |
| CA3228257A1 (en) | Cd3 targeting antibodies and uses thereof | |
| CA3183389A1 (en) | Bispecific antibody and use thereof | |
| US20220242967A1 (en) | Anti-glypican-3 antibodies and uses thereof | |
| US20240026037A1 (en) | Anti-gpa33 multi-specific antibodies and uses thereof | |
| US12129298B2 (en) | Compositions including CD3 antigen binding fragments and uses thereof | |
| US20230374150A1 (en) | Anti-psma antibodies and uses thereof | |
| CA3228259A1 (en) | Anti-her2 antibodies and uses thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20231123 |
|
| MFA | Maintenance fee for application paid |
Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 5TH ANNIV.) - STANDARD Year of fee payment: 5 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20241111 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20241111 |
|
| D15 | Examination report completed |
Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D15-D126 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: EXAMINER'S REPORT Effective date: 20250604 |
|
| P11 | Amendment of application requested |
Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - RESPONSE TO EXAMINER'S REQUISITION Effective date: 20251003 |
|
| MFA | Maintenance fee for application paid |
Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 6TH ANNIV.) - STANDARD Year of fee payment: 6 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20251106 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20251106 |