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For the Inventor, By the Inventor

Berlin, Germany

Bayer Pharma Aktiengesellschaft


USPTO Granted Patents = 380

% Expired Patents = 42.4



Trademarks = 15

Forward Citations = 1,233

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845 inventors (with patents filed for the assignee):

goldMedal Philip Lienau (51 out of 80 patents)

silverMedal Gerhard Siemeister (37 out of 77 patents)

bronzeMedal Frank Wunder (36 out of 98 patents)

4.  Johannes-Peter Stasch (31 out of 150 patents)

5.  Ulf Bömer (31 out of 70 patents)

6.  Adrian Tersteegen (30 out of 53 patents)

7.  Hanna Tinel (29 out of 32 patents)

8.  Karl-Heinz Schlemmer (26 out of 120 patents)

9.  Knut Eis (26 out of 41 patents)

10.  Alexandros Vakalopoulos (26 out of 52 patents)

11.  Martina Schäfer (24 out of 30 patents)

12.  Johannes Platzek (23 out of 128 patents)

13.  Ulrich Klar (23 out of 77 patents)

14.  Antje Margret Wengner (23 out of 29 patents)

15.  Anja Buchmüller (23 out of 29 patents)


Core Competencies:
Indazoles
Gadolinium Chelates
Cancer Treatment
Guanylate Cyclase
Antibody Drug Conjugates
PDE Inhibitors
Autoimmune Diseases
Cardiopulmonary Disorders
Triazolones
Prodrugs
MKNK Inhibitors
AHR Inhibitors

380 patents:

1. 12559473 - Substituted indazoles, methods for the production thereof, pharmaceutical preparations that contain said new substituted indazoles, and use of said new substituted indazoles to produce drugs (2026-02-24),
2. 12503491 - MASP INHIBITORY COMPOUNDS AND USES THEREOF (2025-12-23),
3. 12486248 - 2,4,5-trisubstituted 1,2,4-triazolones useful as inhibitors of DHODH (2025-12-02),
4. 12478696 - Gadolinium chelate compounds for use in magnetic resonance imaging (2025-11-25),
5. 12459916 - Substituted indazoles useful for treatment and prevention of allergic and/or inflammatory diseases in animals (2025-11-04),
6. 12427131 - Stimulators and/or activators of soluble guanylate cyclase (sGC) in combination with an inhibitor of neutral endopeptidase (NEP inhibitor) and/or an angiotensin AII antagonist and the use thereof (2025-09-30),
7. 12358877 - Synthesis of 4-amino-5-methyl-1H-pyridin-2(1H)-on (intermediate compound for the synthesis of the MR antagonist finerenone) from 2-chloro-5-methyl-4-nitro-pyridine-1-oxide using the intermediate compound 2-chloro-5-methyl-4-pyridinamine (2025-07-15),
8. 12303573 - Formulation of contrast media and process of preparation thereof (2025-05-20),
9. 12258343 - Method for preparing 2-[(3R)-3-methylmorpholin-4-yl]-4-[1-methyl-1H-pyrazol-5-yl)-8-(1H-pyrazol-5-yl)-1,7-naphthyridine (2025-03-25),
10. 12258323 - Dihydrooxadiazinones (2025-03-25),
11. 12239630 - Carboxylic acid aromatic amides as antagonists of bradykinin B1 receptor (2025-03-04),
12. 12202805 - Process for preparing (5S)-{[2-(4-carboxyphenyl)ethyl] |2-(2-{|3-chloro-4'-(trifluoromethyl)biphenyl-4-yl]methoxy}phenyl)ethyl]aminol-5,6,7,8-tetrahydroquinoline-2-carboxylic acid and its crystalline forms for use as pharmaceutically active compound (2025-01-21),
13. 12180227 - Diazabicyclic substituted imidazopyrimidines and their use for the treatment of breathing disorders (2024-12-31),
14. 12152041 - Macrocyclic fluorine substituted indole derivatives (2024-11-26),
15. 12152006 - Process for preparing 4-amino-5-methylpyridone (2024-11-26),
BAYER PHARMA AKTIENGESELLSCHAFT is a global pharmaceutical company. They develop, manufacture, and market innovative medicines and medical products to improve people's lives. Committed to scientific excellence, they focus on research and development in therapeutic areas like cardiology, oncology, women's health, and ophthalmology. With a mission to shape the future of healthcare, they strive to address unmet medical needs and provide effective healthcare solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Bayer Pharma Aktiengesellschaft
380 Patents

#2 in D-1000 Berlin

#148 in Germany

#2,432 in the World

Berlin, DE
Berlin, Germany

Bayer Pharma Aktiengesellschaft

Forward Citations = 1,233

845 inventors:

goldMedal Philip Lienau (51 out of 80 patents)

silverMedal Gerhard Siemeister (37 out of 77 patents)

bronzeMedal Frank Wunder (36 out of 98 patents)

4.  Johannes-Peter Stasch (31 out of 150 patents)

5.  Ulf Bömer (31 out of 70 patents)

Please report any incorrect information to [email protected]
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