Patent Attorney - Portland Metro Area including Lake Oswego, Portland, Tigard, Tualatin, Beaverton, Willsonville and other Oregon areas

Law Office of Karen Dana Oster, LLC

telephone (503) 810-2560, fax (503) 638-0367

PMB 506, 16869 SW 65th Avenue

Lake Oswego, OR 97035

Disclaimer: The information contained in these pages is for information purposes only and should not be construed as legal advice or legal opinion on any specific facts or circumstances. No attorney-client or other relationship will be created by visiting this site, sending an email, or placing a telephone call without an express written agreement that such a relationship has been formed. Please do not submit any confidential information or other particulars relating to a matter for which you seek legal representation. I am licensed to practice before the United States Patent and Trademark Office, the state of Oregon, and the state of California.

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Law Office of Karen Dana Oster, LLC

Oregon Patent Attorney

© 1992-2014 Karen Dana Oster


1992: BS, Computer Engineering, California

               State University Long Beach.

1990: JD, Loyola Law School, Los Angeles.

1987: BA, English, University of California

               Santa Barbara, with honors.


2002-present: Law Office of Karen Dana

                    Oster, LLC

1999-2001: Miller Nash.

1994-1999: Chernoff, Vilhauer, McClung

                 & Stenzel.

1993-1994: Poms, Smith, Lande & Rose.


1995: Oregon.

1994: US Patent and Trademark Office.

1991: California.


2009: "Patents and E-Commerce" Chapter of the Oregon State Bar Computer and Internet Law Section e-Commerce Deskbook.

2009: Cited in the Oregon State Bar Bulletin.

1995-2001: Federal Circuit Patent Case Digests published by West Group.


Oregon State Bar Intellectual Property Section (executive committee 1994-2002, chair 2001), Oregon Patent Law Association (OPLA) (1994-present, president 2014), Oregon State Bar Computer and Internet Section (executive committee 2005-present, secretary 2010), NW Patent Network, Institute of Electrical and Electronics Engineers (IEEE) (Intellectual Property Committee (IPC) 2009-present, senior member), and several other intellectual property organizations, bar associations, and barrister groups.

For over twenty years Karen has been assisting businesses and individuals turn ideas into patents. She realizes that each client has unique intellectual property needs and uses creative solutions to help her clients achieve their goals. Karen takes the time to explain the patenting process so that each client understands the available options. Karen is committed to providing quality patenting services at reasonable prices.

Karen's computer engineering degree was directed to a combination of software, digital electronics, and analog electronics. Karen has written and/or prosecuted patents in almost every technological category.

Representative patents available upon request. Please send a basic technological category (e.g. software, business method, mechanical, electrical) and some additional information such as the general field of your invention (e.g. medical, computer, audio, printing, games, tools, sporting goods). Requests may be sent to

Please note Karen’s AV Preeminent rating at and Superb rating at AVVO!