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For the Inventor, By the Inventor

De Lier, Netherlands

Dummen Group B.v.


USPTO Granted Patents = 694



Trademarks = 11

Forward Citations = 10

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36 inventors (with patents filed for the assignee):

goldMedal Arjan Koot (200 out of 200 patents)

silverMedal Tobias Dümmen (153 out of 354 patents)

bronzeMedal Ellen Van Sambeek (94 out of 94 patents)

4.  Ruth Kobayashi (92 out of 156 patents)

5.  Peter Wain (34 out of 109 patents)

6.  Nadine Rijk (21 out of 25 patents)

7.  Cecilius Jan-Jochem Randag (21 out of 65 patents)

8.  Eveline Barends (15 out of 64 patents)

9.  Peter M Beckman (14 out of 25 patents)

10.  Ike J Vlielander (14 out of 82 patents)

11.  Rami Mousa (12 out of 12 patents)

12.  Paulus Cornelis Maris (5 out of 9 patents)

13.  Richard A Grazzini (5 out of 40 patents)

14.  Wander Durk Tuinier (5 out of 5 patents)

15.  Ans Van Haaster (4 out of 6 patents)


Core Competencies:
Plant Breeding
Resistance Genes
New Guinea Impatiens
Calla Lily
Plant Varieties
Encapsulated Plant Cuttings
Horticultural Innovations
Floral Genetics
Disease Resistance
Hybrid Plants
Botanical Research
Ornamental Plants

694 patents:

1. PP37141 - plant named 'DOCALRAIPIPEPBE25' (2025-12-09),
2. PP37131 - Poinsettia plant named 'Doeupfayul' (2025-12-09),
3. PP37075 - plant named 'Docalalhoco 25' (2025-10-28),
4. PP37062 - plant named 'Docalalkotibu' (2025-10-21),
5. PP37051 - plant named 'Dophlodalepi' (2025-10-21),
6. PP37017 - plant named 'Dolanhavfumo' (2025-10-14),
7. PP36971 - plant named 'Dosansusugo24' (2025-09-16),
8. PP36969 - plant named 'Docalblosu' (2025-09-16),
9. PP36968 - plant named 'Docalalkohoor25' (2025-09-16),
10. PP36948 - plant named 'Dopetpoplublasa' (2025-09-09),
11. PP36851 - plant named 'Dophlolawhi' (2025-07-22),
12. 12336494 - Resistance genes toinfections in rose (2025-06-24),
13. PP36685 - Calla lily plant named 'Dozanwhamb' (2025-05-13),
14. PP36678 - plant named 'DODAHYPNOPREVE' (2025-05-13),
15. PP36651 - plant named 'Doerywala' (2025-05-06),
Dummen Group B.V. is a leading global company in the horticultural industry, providing high-quality flower and plant varieties. With a rich history spanning over 50 years, they are known for their innovative breeding techniques and sustainable practices. Their extensive product portfolio includes a wide range of cut flowers, potted plants, and bedding plants, catering to the needs of professional growers and retailers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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694 Patents

#1 in De Lier

#16 in Netherlands

#1,398 in the World

...
De Lier, Netherlands

Dummen Group B.v.

Forward Citations = 10

36 inventors:

goldMedal Arjan Koot (200 out of 200 patents)

silverMedal Tobias Dümmen (153 out of 354 patents)

bronzeMedal Ellen Van Sambeek (94 out of 94 patents)

4.  Ruth Kobayashi (92 out of 156 patents)

5.  Peter Wain (34 out of 109 patents)

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