Prosecution, opinions, legal counsel, trials for invalidation (examination of witnesses, and examination and preservation of evidence), suits against trial decisions, and assisting in infringement litigation. Mr. Watanabe has over 25 years of experience in intellectual property. He specializes in textile machinery, machine tools, cutting tools, cameras, printers, semiconductor apparatuses, home electrical appliances, and image processing. He regularly presents lectures to industry on patent issues in Japan.