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Applicant-side representative
Sach & Associates
13 first-instance invalidity cases · 2020–2026 · 83.3% win rate
Cases
13
Invalidated
10
Lost
2
Win rate
83.3%
Median costs
€750
Win rate by year
2020
50%2/4 merits
2021
100%4/4 merits
2024
100%1/1 merits
2025
100%1/1 merits
2026
100%2/2 merits
Bar = win rate; faint right-hand bar = case volume that year.
Most-practised sectors
- 21Games, toys, tents & sports7
- 03Travel goods & cases1
- 07Household goods1
- 08Tools & hardware1
- 10Clocks, watches & instruments1
- 16Photographic & cinematographic1
Most-invoked grounds
- Article 25(1)(b)13
- Article 47
- Article 7(1)6
- Article 4(1)5
- Article 75
- Article 6(1)(b)4
Most-represented clients
- Shenzhen Debaisite Trading Co., Ltd.5 cases · 4/5 won
- Congfei Shi1 case · 1/1 won
- Greg Sach1 case · 1/1 won
- Guangzhou Gaiya E-commerce Technology Co., Ltd.1 case · 1/1 won
- Guangzhou Lieteng Electronic Business Company1 case · 0/1 won
- Li Zhenzhong1 case · 1/1 won
Most-frequent opposing parties
Most-frequent opposing holder-side firms
- Arpe Patentes y Marcas, S.L.1 case · they prevailed 1×
- Casalonga Alicante, S.L.1 case
- Metida Law Firm Zaboliene and Partners1 case · they prevailed 1×
- Rolim, Mietzel, Wohlnick & Calheiros LLP1 case
Recent decisions
| Date | Case | Holder | Outcome |
|---|---|---|---|
| 2026-03-27 | 000131244 | Shenzhen Lumei E-commerce Co., Ltd. | Invalidated (total) |
| 2026-02-05 | 000130851 | Fujian EastWest Lifewit Technology Co., LTD | Invalidated (total) |
| 2025-10-06 | 000129461 | Guangzhou Xie'erman Sporting Goods Co., Ltd | Invalidated (total) |
| 2024-01-12 | 000122114 | Jianchang Liu | Invalidated (total) |
| 2021-06-17 | 000113123 | Jian Yu | Invalidated (total) |
| 2021-06-16 | 000113121 | Jian Yu | Invalidated (total) |
| 2021-03-17 | 000113124 | Jian Yu | Application inadmissible |
| 2021-03-16 | 000113103 | Jian Yu | Invalidated (total) |
| 2021-03-16 | 000113122 | Jian Yu | Invalidated (total) |
| 2020-11-23 | 000111942 | Xiaoju Li | Invalidated (total) |
| 2020-09-24 | 000108201 | Ting Li | Application rejected (holder wins) |
| 2020-06-23 | 000108761 | Xiangmei Weng | Application rejected (holder wins) |