% Expired Patents = 12.5

EPO Patents = 6

Forward Citations = 29

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5 inventors (with patents filed for the assignee):

Norbert Kemnitzer (8 out of 9 patents)

Karl-Heinz Drexhage (8 out of 14 patents)

Jutta Arden-Jacob (8 out of 12 patents)

4. Monika Hamers-Schneider (8 out of 8 patents)

5. Alexander Zilles (8 out of 9 patents)

6. Norbert Uwe Kemnitzer (0 patent)

8 patents: Sort by Forward Citations

1. 11180657 - Polysulfonated fluorescence dyes (2021-11-23),

2. 9651490 - Amine-substituted tricyclic fluorescent dyes (2017-05-16),

3. 9035042 - Sulfonamide derivatives of polycyclic dyes used for analytical applications (2015-05-19),

4. 8846924 - Sulfonamide derivatives of polycyclic dyes used for analytical applications (2014-09-30),

5. 8785637 - Carboxamide-substituted dyes for analytical applications (2014-07-22),

6. 8614317 - Sulfonamide derivatives of polycyclic dyes used for analytical applications (2013-12-24),

7. 8530660 - Carboxamide-substituted dyes for analytical applications (2013-09-10),

8. 7935822 - Carboxamide-substituted dyes for analytical applications (2011-05-03),

Company Overview

Founded in 2000, Atto-tec Gmbh is a leading provider of high-quality reagents for life sciences and diagnostics applications. Their innovative products include fluorescent dyes, peptides, and bioconjugation kits. With a focus on cutting-edge technology and customer satisfaction, Atto-tec is dedicated to advancing research in the fields of molecular biology and drug development.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#7 in Siegen

#4,424 in Germany

Siegen, Germany

Atto-Tec Gmbh

Forward Citations = 29

5 inventors:

Norbert Kemnitzer (8 out of 9 patents)

Karl-Heinz Drexhage (8 out of 14 patents)

Jutta Arden-Jacob (8 out of 12 patents)

4. Monika Hamers-Schneider (8 out of 8 patents)

5. Alexander Zilles (8 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Atto-Tec Gmbh. Retrieved from https://idiyas.com/company/atto-tec

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]

6 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]