Analysis of Chinese-Origin Patent Filings Across African Jurisdictions Highlights South Africa's Dominance

In recent years, Chinese companies have significantly increased their investments across various African countries, contributing to the development of multiple industries on the continent. This growing economic presence has correspondingly heightened the need for Chinese investors to protect their intellectual property assets within African jurisdictions. A recent study sought to profile patent applications originating in China and filed in African countries, aiming to identify the primary jurisdictions targeted by Chinese applicants and the technological sectors involved.

Due to the lack of comprehensive and updated patent databases in many African nations, researchers compiled data from public patent repositories, notably the European Patent Office's Espacenet database and the World Intellectual Property Organization (WIPO) statistics database. While WIPO's database covers a broader range of African countries, Espacenet offers more extensive data for select jurisdictions. Despite these efforts, data gaps remain significant, limiting the ability to capture the full scope of patent activity across Africa. Nonetheless, the sample collected is considered representative for analytical purposes.

Analysis of the data reveals a positive correlation between the rise in Chinese investments in Africa and the increase in patent applications filed by Chinese entities on the continent. According to the Johns Hopkins University SAIS China-Africa Research Initiative, between 2013 and 2018, Chinese investments in Africa were distributed approximately as follows: construction (28%), mining (25%), manufacturing (13%), financial intermediation (13%), scientific research and technological services (5%), leasing and commercial services (6%), and others (10%).

Chinese direct investment has overtaken that of the United States, with a continuing upward trend. The principal African countries receiving Chinese investment include South Africa, the Democratic Republic of Congo, Mozambique, Zambia, and Ethiopia. This investment pattern is reflected in the distribution of patent filings.

Using WIPO statistics from 2008 to 2018, the study examined total patent applications (including direct and PCT national phase entries) originating from mainland China and filed with the national patent offices of 54 African countries and two regional patent offices: the African Intellectual Property Organization (OAPI) and the African Regional Intellectual Property Organization (ARIPO). The data showed a pronounced predominance of filings in South Africa, with 2,540 patent documents, followed by Egypt (278), ARIPO (227), OAPI (168), Morocco (149), Algeria (69), and Kenya (12).

These figures underscore South Africa's dominant position as the primary African jurisdiction for Chinese patent filings. Other countries and regional offices show significantly lower volumes. However, it is important to note that WIPO's database only provided data for eight African countries, highlighting the substantial information gaps due to many African patent offices not publishing comprehensive patent application records.

Regarding technological fields, Chinese patent applications in Africa predominantly relate to telecommunications, pharmaceuticals, chemicals, and industrial equipment. A large number of filings, particularly those in South Africa, lack detailed classification data, with 514 out of 521 unclassified applications filed there.

To supplement WIPO data, researchers conducted searches in the Espacenet database, focusing on patent applications with Chinese priority documents published from 2008 onward and filed with African patent offices. Espacenet covers records from only ten African patent offices, and six of these, including OAPI, showed no published Chinese-origin patent applications. This corroborates WIPO findings and suggests limited use of regional patent offices by Chinese applicants.

Further analysis using the Patent Inspiration tool examined trends over time, technological fields, and main applicants for five key patent offices identified in Espacenet data.

In South Africa, patent applications with Chinese priority documents increased steadily from 2008 to 2019. The main technological sectors were pharmaceuticals and telecommunications. Leading Chinese applicants included Huawei Technologies Co. Ltd, GRG Banking Equipment Co. Ltd, and University China Mining. Multinational corporations such as Unilever NV and Sony Corp also appeared as co-applicants, reflecting some international collaboration. While Chinese applicants dominate, some filings involve applicants from the USA and Europe.

At ARIPO, which serves 18 member states, filings by Chinese applicants showed a slight upward trend but remained low in absolute numbers. Pharmaceuticals and agrochemicals were the main technological areas. Chinese applicants were predominant, with some joint applications involving entities from France, Switzerland, Japan, and the United Kingdom.

In Morocco, patent filings with Chinese priority documents increased over the same period. Pharmaceuticals and agrochemicals were prominent technological fields. Notable applicants included Hoffmann La Roche, Rotam Agrochemical International Co. Ltd, and Servier Laboratories. Many applications involved co-applicants from Switzerland, France, Sweden, and the USA. A significant portion of filings related to IPC subclass C07D, concerning heterocyclic organic compounds used in pharmaceuticals and agrochemicals.

Tunisia exhibited a similar trend to Morocco, with increasing filings in pharmaceuticals and agrochemicals. Main applicants included Novartis AG, Servier Laboratories, and Zhejiang Chint Electrics Co. Ltd. Co-applicant collaborations with entities from Switzerland, France, and the USA were also observed.

Egypt showed an increasing but modest number of filings with Chinese priority documents from 2008 to 2019. Unlike other jurisdictions, pharmaceutical and agrochemical patents did not dominate, and no clear technological pattern emerged due to the limited data.

Overall, the study highlights South Africa as the focal point for Chinese patent protection in Africa, with telecommunications and pharmaceuticals as leading sectors. Regional patent offices like ARIPO and OAPI are underutilized by Chinese applicants despite their broad member bases. The data gaps across many African patent offices remain a challenge for comprehensive analysis.

This evolving patent landscape reflects the broader trend of expanding Chinese economic engagement in Africa and underscores the growing importance of intellectual property protection for Chinese entities operating on the continent.