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Patent Law

: Patently Obvious

By Dennis Crouch

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The following table is based on the file histories of 20,000 published patent applications that have been disposed-of.

Technology Center	Non-Final Rejection	Final Rejection	Request for Continued Examination	Restriction Requirement
1600 - Biotechnology and Organic Chemistry	80%	35%	16%	54%
1700 - Chemical and Materials Engineering	87%	38%	17%	21%
2100 - Computer Architecture, Software, and Information Security	91%	46%	27%	6%
2400 - Computer Networks, Multiplex, Video Distribution, and Security	93%	47%	28%	6%
2600 - Communications	85%	33%	18%	7%
2800 - Semiconductors, Electrical and Optical Systems and Components	77%	27%	15%	18%
3600 - Transportation, Construction, Electronic Commerce, Agriculture	88%	36%	14%	19%
3700 - Mechanical Engineering, Manufacturing, Products	86%	34%	15%	18%

The following two tables provide the same information but are limited to applications that have issued and that have been abandoned respectively.

PATENTED: Technology Center	Non-Final Rejection	Final Rejection	Request for Continued Examination	Restriction Requirement
1600 - Biotechnology and Organic Chemistry	84%	34%	21%	44%
1700 - Chemical and Materials Engineering	83%	34%	20%	19%
2100 - Computer Architecture, Software, and Information Security	88%	42%	31%	7%
2400 - Computer Networks, Multiplex, Video Distribution, and Security	89%	46%	36%	6%
2600 - Communications	81%	32%	20%	7%
2800 - Semiconductors, Electrical and Optical Systems and Components	73%	23%	15%	17%
3600 - Transportation, Construction, Electronic Commerce, Agriculture	84%	32%	17%	19%
3700 - Mechanical Engineering, Manufacturing, Products	82%	31%	17%	18%

ABANDONED: Technology Center	Non-Final Rejection	Final Rejection	Request for Continued Examination	Restriction Requirement
1600 - Biotechnology and Organic Chemistry	77%	35%	12%	62%
1700 - Chemical and Materials Engineering	91%	44%	14%	24%
2100 - Computer Architecture, Software, and Information Security	98%	52%	20%	6%
2400 - Computer Networks, Multiplex, Video Distribution, and Security	96%	49%	21%	6%
2600 - Communications	93%	37%	15%	7%
2800 - Semiconductors, Electrical and Optical Systems and Components	90%	41%	12%	23%
3600 - Transportation, Construction, Electronic Commerce, Agriculture	93%	40%	10%	19%
3700 - Mechanical Engineering, Manufacturing, Products	93%	38%	11%	19%