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Holder-side representative
Huasun Patent Attorneys And Attorneys At Law
21 first-instance invalidity cases · 2018–2025 · 20% win rate
Cases
21
Defended
4
Lost
16
Win rate
20%
Median costs
€750
Win rate by year
2018
0%0/3 merits
2019
42.9%3/7 merits
2020
0%0/3 merits
2021
0%0/3 merits
2022
0%0/1 merits
2024
0%0/2 merits
2025
100%1/1 merits
Bar = win rate; faint right-hand bar = case volume that year.
Most-practised sectors
- 10Clocks, watches & instruments5
- 26Lighting apparatus5
- 08Tools & hardware2
- 14Recording, telecom & data processing2
- 15Machines2
- 21Games, toys, tents & sports2
Most-invoked grounds
- Article 25(1)(b)21
- Article 7(1)11
- Article 79
- Article 6(1)(b)8
- Article 4(1)7
- Article 56
Most-represented clients
- Tong De Limited6 cases · 0/6 won
- Honglan Yin3 cases · 1/3 won
- Wenzhou Alion Electronics Co. Ltd.3 cases · 3/3 won
- Akzu Lightsystem Co., Ltd1 case · 0/1 won
- FDS GmbH1 case · 0/1 won
- Guoyu Que1 case · 0/1 won
Most-frequent opposing parties
- Theben AG5 cases · prevailed 2×
- Yiwu Rundong Auto Accessories Co. Ltd.2 cases · prevailed 1×
- Ahaljan Duraiappah1 case · prevailed 1×
- Beijing Jinyanchengxin Intellectual Property Co., Ltd1 case · prevailed 1×
- CCLIFE Technic GmbH1 case · prevailed 1×
- Erco GmbH1 case · prevailed 1×
Most-frequent opposing applicant-side firms
- Westphal, Mussgnug & Partner, Patentanwälte mit beschränkter Berufshaftung5 cases · they prevailed 2×
- A.A. Thornton & Co.1 case · they prevailed 1×
- Bdb Pitmans LLP1 case · they prevailed 1×
- Breuer Lehmann Rechtsanwälte Partnerschaft Mbb1 case · they prevailed 1×
- Busse & Partner1 case · they prevailed 1×
- Freischem & Partner Patentanwälte mbB1 case · they prevailed 1×
Recent decisions
| Date | Case | Applicant | Outcome |
|---|---|---|---|
| 2025-02-10 | 000125015 | ZHZHSM SARL | Application rejected (holder wins) |
| 2024-12-03 | 000124315 | Muchun LIN | Invalidated (total) |
| 2024-05-29 | 000124001 | CCLIFE Technic GmbH | Invalidated (total) |
| 2022-08-17 | 000117856 | Yiwu Rundong Auto Accessories Co. Ltd. | Invalidated (total) |
| 2021-09-06 | 000114643 | Yiwu Rundong Auto Accessories Co. Ltd. | Application inadmissible |
| 2021-08-27 | 000115508 | LastSwab ApS | Invalidated (total) |
| 2021-06-28 | 000114661 | Michael Heunemann | Invalidated (total) |
| 2021-04-09 | 000110985 | Erwin Müller GmbH | Invalidated (total) |
| 2020-11-04 | 000108002 | Ahaljan Duraiappah | Invalidated (total) |
| 2020-05-19 | 000106819 | THEBEN AG | Invalidated (total) |
| 2020-05-18 | 000106840 | THEBEN AG | Invalidated (total) |
| 2019-10-28 | 000106842 | Theben AG | Application rejected (holder wins) |