Open/Close Menu San Diego based patent and trademark law firm founded in 1984 with over 1,700 patents issued and more than 1,200 trademarks registered worldwide.

The Maxham Firm’s Information for Foreign Filing There is no such thing as an international patent or trademark; however, there is an ongoing treaty, the 1883 Paris Convention, in which most countries around the world participate to cover international patent and trademark filings. Under the Paris Convention, an applicant has one year after filing a…

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