Item 2. Properties
ITEM 2. PROPERTIES
Our corporate and research and development operations are located in San Francisco, California, where we lease approximately 234,000 square feet of office and laboratory space with approximately 30,000 square feet subleased. The lease for our San Francisco headquarters was originally scheduled to expire in 2023, and in June 2021, we amended the lease to extend it through 2028. We also lease approximately 67,000 square feet of office and manufacturing space in Beijing, China, and multiple office spaces in Beijing and Shanghai, China. Our leases in China expire in 2026. We have constructed a commercial manufacturing facility of approximately 5,500 square meters in Cangzhou, China, on approximately 33,000 square meters of land. Our right to use such land expires in 2068. We believe our facilities are adequate for our current needs and that suitable additional or substitute space would be available if needed.
ITEM 3. LEGAL PROCEEDINGS
For a discussion of our legal proceedings, refer to Note 9, Commitments and Contingencies , to the consolidated financial statements.
ITEM 4. MINE SAFETY DISCLOSURES
Not applicable.
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PART II
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