I highly recommend Mangmang's law firm. My I140 was approved after RFE under EB1. During the RFE period, the lawyers in Mangmang's team performed very professional. We started to prepare RFE documents from the first day when we received the notice and worked until almost the last day to submit all th...e supporting materials. During the time, the layers in Mangmang's team were very helpful and patient. I believe I had been experienced a very good time with cooperating with Mangmang's law firm. The result is very wonderful.

I recently was approved with NIW I-140 application. Dr. Cai and his team were very helpful throughout the entire application process. Their responses towards my questions were always patient and quick. The whole dropbox made the communication between myself and the team smooth and efficient. The fina...l petition draft was logical and accurate, and I was happy with their service. I highly recommend them

Mangmang and his colleagues helped me with my NIW case. They were very responsive and competent. I did appreciate their expertise in science in addition to immigration law as it is needed to build the case. As soon as I provided all the documents, they built the case in a few days, I reviewed it, and... it was sent. My NIW got accepted in 4 months, way earlier than I expected. I highly recommend Mangmang Cai!

I'm working with Dr. Cai and his team on both my EB1A and NIW cases. Dr. Yang and Sha helped with my case. My area is in EE and Dr. Yang is very familiar with this area and did a good PL. Sha is responsive and quick on my documentations. Dr. Cai reviewed the materials and also answered a lot of my qu...estions - including eb1-b ones which I didn't pay them. Although I'm still fighting for my EB1-A, I do recommend their service.