Uhh... what? The Oxford vaccine (better known as AZ) is available for licensing for everyone interested [1], which the Serum Institute of India has done.
The problem with vaccine equity is not the patents question (Moderna also has announced to not prosecute any IP violations during the pandemic fwiw), the problem is that many poor nations lack the prerequisites of manufacturing high-quality vaccines: a stable electricity grid, political stability (last thing you want is a bunch of warlords or drug cartels quarreling over a vaccine factory), competent people to staff the factories, in case of mRNA vaccines delivery chains that can keep up with handling the storage requirements of the components...
[1]: https://innovation.ox.ac.uk/technologies-available/technolog...