"Ella Cheong Spruson & Ferguson is one of the top patent prosecution firms in the country," says a peer. The firm remains in the top Tiers of the prosecution rankings this year. A competitor firm says: "We compete with them and in terms of patent drafting they're one of the best there is". Clients praise the firm, with one in particular noting: "The firm is able to provide friendly services and valuable advice. This is important because some of our staff inventors are new in the patent process." The firm's advantages include the availability of its network of offices, which help it to better serve foreign clients. A client notes: "Having worked with many other firms in the country, we can safely say that it is among those of a high standard that we will refer jobs to."