Patents recorded as loan collateral (security interest)

Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). | Assignor: FIBROGEN, INC. | Assignee: WILMINGTON TRUST, NATIONAL ASSOCIATION | Patents: 11680048, 11680047, 8124582, 7618940, 8202834, 8614204, 8629131, 8604012, 8609646, 8604013, 9920011, 10626090, 10894774, 10882827, 10927081, 7323475, 7629357, 7863292, 8017625, 8278325, 8916585, 8765956, 9339527, 10092558, 10646482, 11229637, 8530404, 8703795, 9000006, 7928120, 8759373, 9174976, 9775902, 7696223, 7713986, 8269008, 8952160, 9387200, 8324405, 8217043, 8927591, 9149476, 8921389, 9271970, 9695170, 9409892, 9340511, 9708269, 9643928, 8883823, 9115085, 9371288, 9617218, 9918977, 10118897, 10272078, 10765672, 7405274, 7871617, 9034643, 8314059, 8865173, 8728468, 8088381, 8771692, 9587016, 9102721, 8802839, 9115356, 9480449, 10039515, 10555713, 9631013, 11299537, 8318703