Improvement Patents (Moderators: Forum Admin, JimIvey, JSonnabend)

resurrecting an expried utility patent

Started by concerned001

Replies: 5
Views: 10,500

10-21-13 at 08:55 AM
by Verdie7458

Can Someone Describe a BLOCKING PATENT?

Started by Lester McDaniel

Replies: 5
Views: 9,119

04-29-07 at 09:20 AM
by Patent Examiner SIPO China

Compositional Relationships and Patents

Started by anup joshi

Replies: 5
Views: 11,870

03-11-04 at 03:12 AM
by Chris_Whewell

Life of claims?

Started by rougie

Replies: 5
Views: 5,225

03-17-08 at 04:47 PM
by still_studying

Patent Pending question

Started by MarionR18

Replies: 6
Views: 12,092

10-28-09 at 05:35 PM
by JimIvey

New patent vs existing patent

Started by toshgaal

Replies: 7
Views: 13,633

02-17-10 at 09:27 PM
by JimIvey

Is this an improvement patent?

Started by zeric

Replies: 8
Views: 11,234

04-20-11 at 12:47 PM
by zeric

I want to improve upon my OWN patent

Started by bsclayton

Replies: 9
Views: 13,804

12-29-09 at 09:08 PM
by bsclayton

Patent Question

Started by Guest

Replies: 9
Views: 11,900

08-23-05 at 04:54 PM
by JimIvey

Patent an improvement to an existing process

Started by Kelley Bachman

Replies: 9
Views: 14,207

05-13-04 at 11:58 PM
by M. Arthur Auslander

Cheap but "findable" technical disclosure

Started by ue418

Replies: 10
Views: 11,240

06-03-14 at 10:40 PM
by engineerprose

re-patenting an expired patent

Started by dandan

Replies: 10
Views: 14,821

05-01-06 at 07:37 PM
by JimIvey

Can this expired PCT application enter USA?

Started by Invention

Replies: 12
Views: 15,531

05-17-11 at 09:08 PM
by MLM

Looking for some help

Started by leesteven35

Replies: 14
Views: 11,854

01-24-14 at 02:05 AM
by bleedingpen