Trust

How to verify our patents and certifications

You do not have to take our word for it. Registration numbers, rights holder and official registries are listed below.

Patents and design rights are held by Zhongshan Precision Hardware (Shenzhen) Co., Ltd. · BTST

Patents & design rights

6 pen-related registrations (our core line) and 7 in other categories. Certificate scans are held for all of them.

Patents & design rights
NumberTitleYearRegistry
CN2024-2-1407Utility model · pen sleeve2024CNIPA patent search
CN2024-3-1408Design · pen sleeve2024CNIPA patent search
EU2024-3-1409EU design right · pen sleeve (short)2024EUIPO DesignView
EU2024-3-1589EU design right · pen sleeve (long)2024EUIPO DesignView
EU2024-3-2028EU design right · pen2024EUIPO DesignView
JP2024-3-1410Japanese design right · pen sleeve2024JPO design gazette

Other categories

Patents & design rights
NumberTitleYearRegistry
CN2024-2-1401Utility model · easy-use key clip2024CNIPA patent search
CN2024-3-1621Design · lanyard clip2024CNIPA patent search
CN2024-3-1662Design · cutlery handle sleeve2024CNIPA patent search
EU2024-3-1405EU design right · key clip2024EUIPO DesignView
EU2024-3-1624EU design right · phone charm2024EUIPO DesignView
JP2024-3-1403Japanese design right · key clip2024JPO design gazette
JP2024-3-1623Japanese design right · phone strap2024JPO design gazette

System certifications

ISO 9001

Quality management system

Covers the whole production flow; the three-stage control process is built on this system.

ISO 14001

Environmental management system

The system behind our environmental compliance and SDG commitment.

RoHS

Restriction of hazardous substances

Mandatory for placing products on the EU market.

Official registries