The focus should be on continuing the patent application process for the machinery and using copyright/confidentiality agreements to protect the software algorithm, while also ensuring compliance with OHS regulations to prevent future incidents, and addressing worker compensation for the injuries sustained due to the malfunction.

The primary legal priorities are to complete the patent application for the machinery and secure copyright protection for the software algorithm, thus protecting the team's innovations. Concurrently, adherence to OHS standards is crucial to address safety and training deficiencies. Furthermore, assessing liability for any injuries resulting from the malfunction is essential to comprehensively address all legal concerns.

The situation brings up concerns regarding potential patent infringement by competitors, breach of contract with the plant where the machinery was installed, and violations of Occupational Health and Safety (OHS) laws due to the incident, requiring a comprehensive legal strategy to address intellectual property protection, contractual obligations, and workplace safety.

Attention is required on securing design and trademark registrations to protect the aesthetic and brand aspects of the machinery, alongside a thorough investigation into any negligence that might have contributed to the malfunction. It's also recommended that the team patent the brand name itself to ensure total market exclusivity.