← Back to representatives
Holder-side representative
HEUMANN RECHTS- UND PATENTANWÄLTE
8 first-instance invalidity cases · 2019–2025 · 25% win rate
Cases
8
Defended
2
Lost
6
Win rate
25%
Median costs
€750
Win rate by year
2019
0%0/4 merits
2020
100%1/1 merits
2022
100%1/1 merits
2025
0%0/2 merits
Bar = win rate; faint right-hand bar = case volume that year.
Most-practised sectors
- 02Clothing & haberdashery4
- 12Means of transport4
Most-invoked grounds
- Article 25(1)(b)8
- Article 7(1)7
- Article 4(1)4
- Article 6(1)(b)4
- Article 7(2)4
- Article 6(1)3
Most-represented clients
- Worldwide Dynasty Inc.4 cases · 0/4 won
- Daimler AG2 cases · 2/2 won
- Mercedes-Benz Group AG2 cases · 0/2 won
Most-frequent opposing parties
- Widmann S.r.l.4 cases · prevailed 4×
- Diewe Wheels GmbH1 case
- GMP Group Srl1 case · prevailed 1×
- Jürgen Volkmer1 case · prevailed 1×
- Paalupaikka Oy1 case
Most-frequent opposing applicant-side firms
- Beiten Burkhardt4 cases · they prevailed 4×
- Ernicke Patent- und Rechtsanwälte PartmbB1 case
- Patent- und Rechtsanwälte Ullrich & Naumann Partnerschaftsgesellschaft mbB1 case · they prevailed 1×
- Vannetukku.fi Oy1 case
Recent decisions
| Date | Case | Applicant | Outcome |
|---|---|---|---|
| 2025-11-05 | 000125857 | Jürgen Volkmer | Invalidated (total) |
| 2025-10-12 | 000125916 | GMP Group Srl | Invalidated (total) |
| 2022-02-01 | 000113441 | Diewe Wheels GmbH | Application rejected (holder wins) |
| 2020-05-18 | 000107119 | Paalupaikka Oy | Application rejected (holder wins) |
| 2019-05-14 | 000010890 | Widmann S.r.l. | Invalidated (total) |
| 2019-05-14 | 000011007 | Widmann S.r.l. | Invalidated (total) |
| 2019-05-14 | 000011006 | Widmann S.r.l. | Invalidated (total) |
| 2019-05-14 | 000010902 | Widmann S.r.l. | Invalidated (total) |