% Expired Patents = 50.0

EPO Patents = 2

Forward Citations = 2

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10 inventors (with patents filed for the assignee):

Angelika Lüking (3 out of 7 patents)

Stefan Müllner (3 out of 4 patents)

Heike Göhler (3 out of 3 patents)

4. Petra Rengers (2 out of 2 patents)

5. Peter Schulz-Knappe (1 out of 8 patents)

6. Petra Budde (1 out of 5 patents)

7. Dieter Zucht (1 out of 1 patent)

8. Matthias Schneider (1 out of 2 patents)

9. Angelika Lueking (1 out of 1 patent)

10. Jessica Schwermann (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 10677795 - Marker sequences for the diagnosis and stratification of systemic sclerosis patients (2020-06-09),

2. 10060911 - Method for diagnosis of high-affinity binders and marker sequences (2018-08-28),

3. 10036746 - Method for the diagnosis of neuromyelitis optica (2018-07-31),

4. 9588115 - Method for the diagnosis of neuromyelitis optica (2017-03-07),

Company Overview

Protagen is a leading biotech company specializing in the development of innovative diagnostic tests to improve the treatment of autoimmune diseases and cancer. The company's proprietary SeroTag technology enables the discovery of novel biomarkers for early detection and personalized medicine. With a strong focus on research and development, Protagen aims to revolutionize healthcare through advanced diagnostic solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#50 in Dortmund

#7,037 in Germany

Dortmund, Germany

Protagen Ag

Forward Citations = 2

10 inventors:

Angelika Lüking (3 out of 7 patents)

Stefan Müllner (3 out of 4 patents)

Heike Göhler (3 out of 3 patents)

4. Petra Rengers (2 out of 2 patents)

5. Peter Schulz-Knappe (1 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Protagen Ag. Retrieved from https://idiyas.com/company/protagen-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

2 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]