| Number | Date | Country | Kind |
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| 2018-021369 | Sep 2018 | JP | national |
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| 4648653 | Rowland | Mar 1987 | A |
| D655102 | Yetman | Mar 2012 | S |
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| D656335 | Kumazawa | Mar 2012 | S |
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| D694034 | Takano et al. | Nov 2013 | S |
| D778631 | Tanaka et al. | Feb 2017 | S |
| D802321 | Martinez | Nov 2017 | S |
| D876115 | Urquiola | Feb 2020 | S |
| 20100176646 | Rowland | Jul 2010 | A1 |
| 20140361588 | Romero | Dec 2014 | A1 |
| 20150164231 | Piretti | Jun 2015 | A1 |
| 20150173514 | Kikuchi | Jun 2015 | A1 |
| Number | Date | Country |
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| 305001085 | Sep 2018 | CN |
| 6009560 | Mar 2017 | GB |
| 227763-0001 | Mar 2010 | IN |
| 300674084.0000 | Feb 2012 | KR |
| 300742225.0000 | Jun 2013 | KR |
| 300816553.0000 | Feb 2015 | KR |
| Entry |
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| Office Source ,OfficeSourceStackable Reception Chair, Multi-Purpose Arm Chair,[online]retrieved Apr. 2, 2020, available from internet, www.amazon.com (Year: 2020). |
| Total Office 360,9to5 Seating Kelley 1070, [online]retrieved Apr. 2, 2020, available from internet,https://totaloffice360.com/ (Year: 2020). |
| Safco, Safco Products Sassy Stack Chair, Date first available Jul. 22, 2009, [online]retrieved Apr. 2, 2020, available from internet, www.amazon.com (Year: 2019). |