Jan Pascal Kahler

Patent Attorney Candidate

Dr., M.Sc., B.Sc.

Dr. Kahler joined df-mp in 2025 as a patent attorney candidate. With his expertise in the fields of Biochemistry, Chemical Biology and Organic Chemistry, he complements our expertise in the areas of biotechnology, pharmaceuticals and chemistry.

+ 49 89 210 296 0
jan.kahler@df-mp.com

Jan Pascal Kahler

Patent Attorney Candidate

Dr., M.Sc., B.Sc.

Dr. Kahler joined df-mp in 2025 as a patent attorney candidate. With his expertise in the fields of Biochemistry, Chemical Biology and Organic Chemistry, he complements our expertise in the areas of biotechnology, pharmaceuticals and chemistry.

+ 49 89 210 296 0
jan.kahler@df-mp.com

practice areas.

Dr. Kahler provides support in European patent application proceedings as well as opposition and appeal proceedings. His technical expertise spans Biochemistry, Chemical Biology and Organic Chemistry. Additionally, he supports df-mp in preparing patent infringement and validity opinions.

curriculum vitae.

Since 2025
Since 2025

Patent Att­or­ney can­di­da­te at df-mp

2023-2025
2023-2025

Sci­en­tist in design of mini­pro­te­ins for tran­scrip­ti­on inhi­bi­ti­on at Lei­den Uni­ver­si­ty, the Net­her­lands

2022
2022

Rese­ar­cher in acti­­vi­­ty-based pro­te­in pro­fil­ing at KU Leu­ven, Bel­gi­um

2017-2022
2017-2022

Ph.D. in Che­mi­cal Bio­lo­gy at KU Leu­ven, Bel­gi­um, working on acti­­vi­­ty-based pro­bes for neu­tro­phil seri­ne pro­tea­ses

2014-2016
2014-2016

Mas­ter of Sci­ence in Che­mis­try at TU Darm­stadt, Ger­ma­ny

2010 - 2014
2010 - 2014

Bache­lor of Sci­ence in Che­mis­try at TU Darm­stadt, Ger­ma­ny

publications.

1. Kahler JP, Ellenbroek B, van der Noord V, van de Water B, Pomplun SJ: ReCHEMbinant stapling enhances intracellular delivery and bioactivity of engineered protein inhibitors, Chem (2025) 12 (4).
doi: 10.1016/j.chempr.2025.102839
2. Ellenbroek B, Kahler JP*; Arella D, Lin C, Jespers W, Züger EAK, Drukker M, Pomplun SJ: Development of DuoMYC: a synthetic cell penetrant miniprotein that efficiently inhibits the oncogenic transcription factor MYC, Angewandte Chemie International Edition (2025) 64 (4).
doi: 10.1002/anie.202416082
3. Kahler JP, Ji S, Speelman-Rooms F, Vanhoutte R, Verhelst SHL: Phosphinate Esters as Novel Warheads for Quenched Activity-based Probes Targeting Serine Proteases, ACS Chemical Biology (2024) 19 (7): 1409-1415.
doi: 10.1021/acschembio.3c00203
4. Ellenbroek B; Kahler JP*, Evers SR, Pomplun SJ: Synthetic Peptides: Promising Modalities for the Targeting of Disease‐Related Nucleic Acids, Angewandte Chemie International Edition (2024) 63 (20).
doi: 10.1002/anie.202401704
5. Sukhbaatar N, Schöller M, Fritsch SD, Linke M, Horer S, Träger M, Mazić M, Forisch S, Gonzales K, Kahler JP, Binder C, Lassnig C, Strobl B, Müller M, Scheiber-Mojdehkar B, Gundacker C, Dabsch S, Kain R, Hengstschläger M, Verhelst SHL, Weiss G, Theurl I, Weichhart T: Duodenal macrophages control dietary iron absorption via local degradation of transferrin, Blood (2023) 141 (23): 2878-2890.
doi: 10.1182/blood.2022016632
6. Kahler JP, Aloi, VD, Miedes Aliaga J, Kerselaers S, Voets T, Vriens J, Verhelst SHL, Barniol-Xicota M: Clotrimazole-Based Modulators of the TRPM3 Ion Channel Reveal Narrow Structure–Activity Relationship, ACS Chemical Biology (2023) 18 (3): 456-464.
doi: 10.1021/acschembio.2c00672
7. Yang J, Korovesis D, Ji S, Kahler JP, Vanhoutte R, Verhelst SJL: Efficient Synthesis of an Alkyne Fluorophosphonate Activity-Based Probe and Applications in Dual Colour Serine Hydrolase Labelling, Israel Journal of Chemistry (2023) 63 (3-4).
doi: 10.1002/ijch.202200094
8. Kahler JP; Verhelst SHL: Phosphinate esters as novel warheads for activity-based probes targeting serine proteases, RSC Chemical Biology (2021) 2 (4): 1285-1290.
doi: 10.1021/acschembio.2c00672
9. Kahler JP, Lenders S, van de Plassche MAT, Verhelst SHL: Facile Synthesis of Aminomethyl Phosphinate Esters as Serine Protease Inhibitors with Primed Site Interaction, ACS Medicinal Chemistry Letters (2020) 11 (9): 1739-1744.
doi: 10.1021/acsmedchemlett.0c00284
10. Kahler JP; Vanhoutte R; Verhelst SHL: Activity-Based Protein Profiling of Serine Proteases in Immune Cells, Archivum immunologiae et therapiae experimentalis (2020) 68 (23).
doi: 10.1007/s00005-020-00586-2
11. Van Veen S, Martin S, Van den Haute C, Benoy V, Lyons J, Vanhoutte R, Kahler JP, Decuypere JP, Gelders G, Lambie E, Zielich J, Swinnen JV, Annaert W, Agostinis P, Ghesquière B, Verhelst S, Baekelandt V, Eggermont J, Vangheluwe P: ATP13A2 deficiency disrupts lysosomal polyamine export, Nature (2020) 578: 419-424.
doi: 10.1038/s41586-020-1968-7
12. Chakrabarty S; Kahler JP*; van de Plassche MAT; Vanhoutte R; Verhelst SHL: Recent Advances in Activity-Based Protein Profiling of Proteases, Current Topics in Microbiology and Immunology (CT MICROBIOLOGY, volume 420).
doi: 10.1007/82_2018_138
13. Vanhoutte R; Kahler JP*; Martin S; van Veen S; Verhelst SHL: Clickable Polyamine Derivatives as Chemical Probes for the Polyamine Transport System, ChemBioChem (2018) 19 (907): 907-911.
doi: 10.1002/cbic.201800043