Upward of 70% of Patent Reissue Filings Include a Defective Oath

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As most practitioners are well aware, defective oaths in patent reissue are the rule, not the exception. As the chart above demonstrates for patent reissues filed in 2005, such oath problems lead to longer patent reissue pendencies.
With narrowing patent reissue filings constituting the bulk of patent reissue applications at the USPTO, it is not surprising that the impact of defective oaths are more pronounced in this sub-category. For narrowing reissue applications filed in 2005, applications without any oath problems were completed 1.14 years faster (1.74 vs 2.88 years) than those with oath problems.
Surely, both the USPTO and stakeholders share the blame equally for these recurring problems. As demonstrated just yesterday, these issues are rarely resolved prior to appeal. Read the rest of this entry »
Equitable Intervening Rights a Function of USPTO Delay?
Whether a narrowing patent reissue application or broadening patent reissue application, USPTO pendency delay is significant. As discussed yesterday, narrowing reissue applications appear to fare no better than regular U.S. applications, and broadening reissue applications have been known to take as long as 10 years to complete.
Of course, amendments made during patent reissue will result in absolute intervening rights defense for potential infringers. As damages for such amended/new claims will not begin to accrue until issued, Patentees have nothing to gain by dallying during patent reissue prosecution. In fact, as demonstrated by a recent district court ruling, significant pendency delay may in fact create a further limit on available damages for amended/new claims under the doctrine of equitable intervening rights. Read the rest of this entry »
Narrowing Reissue Applications Seem to Fare No Better than Regular Applications

Last week I explained the disappointing state of broadening reissue application pendency over the first 5 years. As shown in the charts above (click to enlarge images), I analyzed the 129 narrowing patent reissues filed since 2005. Not surprisingly, narrowing reissues applications fare much better in terms of pendency (close to 80% being concluded within 5 years).
Apparently, without recapture muddying the waters, and with the more familiar narrowing of claims, the Examining Corps seems to have less difficulty moving these applications along. …albeit at around the same pace as a routine patent application. With most narrowing reissue applications involving highly valued patents, a shorter pendency or “special dispatch” seems to be in order.
As to the low number of narrowing reissues (129) relative to broadening (745), it seems plaintiffs are more willing to try their luck with the heightened invalidity standards of district courts for most “errors made without deceptive intent” rather than revisit the USPTO for several more years.
Recapture and Formality Issues Bog Down Important Cases

As shown in the charts above (click to enlarge images), we analyzed the 745 broadening patent reissues filed since 2005. A surprising 200 applications of the 745 were ultimately abandoned. While many of these applications may have been seeking to secure a claim scope that was precluded by prior art, it may also be that a significant number fell victim to the frustrations of reissue practice. The lowermost chart above factors out abandonments as a true conclusion, demonstrating that only 20% of broadened reissues are concluded within 3 years of filing. When compared to the special dispatch accorded to patent reexamination, these important applications clearly fare a great deal worse.
The data for narrowing reissues shows slightly better timeliness, perhaps due to the absence of recapture doctrine concerns. Data for narrowing reissues will be posted in the coming days.
I understand the PTO is considering creating a special unit for patent reissues, much like was done for patent reexamination. My guess is more reissue would be filed should these applications be treated with the importance they deserve.
If anything, the pendency problems plaguing patent reissue demonstrate the value of maintaining pending continuation applications.
The Emergence of Patent Reexamination as a Litigation Bargaining Chip
As discussed last week, defendants may opt to creatively present their motion for stay pending patent reexamination to increase the likelihood of a favorable district court determination. This tactic appears to be gaining traction as more defendants seek to reap the benefits of a concurrent patent reexamination.
In order to adapt to the defendants “sweetening of the deal,” plaintiffs are now finding themselves forced to do a bit of bargaining themselves. In Software Rights Archive LLC., v Google Inc., AOL LLC, Yahoo! Inc., IAc Search & Media, Inc., and Lycos, (NDCA) the court has seemingly mediated a bargain, and in the process, simplified issues for trial. Read the rest of this entry »
Comparing Claims in Reissue Oath Haunts Patent Holder
On Wednesday, the Federal Circuit reversed a decision of the ITC that excluded the imports of Lucky Litter, LLC. The case (here) related to cat litter boxes having an automated cleaning feature. In reversing the ITC, the CAFC found that the “predetermined event” recited in claim 33 of the patent at issue (RE 36,847), was not limited to a cat exiting the litter box.
Prior to seeking patent reissue, claim 1 of the patent recited a “cat exit sensor for sensing a cat exit” and a “delay means.” The Patentee filed a broadening patent reissue to remove these features. The reissue application oath explained that “[i]n particular, claim 1 of U.S. Patent 5,477,812 contains recitations regarding a cat exit sensor and delay means which are too limiting of the invention and unnecessary in view of the prior art. Claims 23 through 48 of the reissue application have limitations similar to those of claim 1, but define the invention with greater breadth.”
The CAFC performed a traditional Phillips analysis of the ITC claim construction and held that “predetermined event,” by plain meaning, could not be limited to “cat exit.” Still, the statement in the oath was cited by the court as a guidepost of the broader meaning of the claims added in reissue. Hindsight always being 20/20, what could the Patentee have done to potentially avoid this result? Read the rest of this entry »
This past Monday the BPAI pointed out that a Patent Holder may not swear behind a patent that claims the same invention, the proper forum for such a priority contest being a patent interference proceeding. The decision, Ex parte Regents of the University of California (“Regents”) (decision here), affirmed-in-part the rejection of U.S. patent No. 5,916,912 in ex parte reexamination.
In particular, the Board held that Regents could not antedate U.S. Patent No. 5,998,474 (“Cavazza”) because the ‘912 patent and Cavazza were claiming the same patentable invention. Applying, 37 C.F.R. 41.203(a), the Board reasoned that the two patents were directed to “the same patentable invention” since a claim of the Regents patent is obvious in view of a claim of Cavazza, and vice versa.
This leaves the Regents in a bind, aside from challenging the BPAI decision to the CAFC, how can an interfering patent applied in patent reexamination be overcome? Read the rest of this entry »
BPAI Once Again Shoots Down Broadening Reissue
Patent reissue has been a recurring topic here as of late. More recently, the breadth of the recapture doctrine has been discussed. Earlier this year, I discussed ex parte Staats relative to a pending CAFC appeal, and the pending CAFC appeal of ex parte Tanaka.
While the main issue in ex parte Tanaka is whether or not the addition of narrower dependent claims via patent reissue can be said to correct an “error” pursuant to the reissue statute, Tanaka, to a lesser extent, also illustrates the danger of a generically worded reissue declaration. As the BPAI decision of last Friday once again emphasizes, (ex parte Matthew Howard Fronk et al.,) a proper broadening declaration must not only identify at least one error in the issued patent (made without deceptive intent), but must also unequivocally indicate an intention to broaden. More importantly, this unequivocal intent to broaden must be communicated to the USPTO by declaration only, within two years of original patent issuance. Read the rest of this entry »

The Fruit of the Poisonous Inequitable Conduct Tree= Mammoth IDS Filings
Last week, I commented on a recent ruling in Bendix Commercial Vehicle Systems LLC, et al v. Haldex Brake Products Corp., 1-09-cv-00176 (N.D.O.H) relating to patent resissue/recapture. In addition to the interesting recapture issues presented, this case also demonstrates why the USPTO must be continually burdened with mammoth IDS filings in post-grant proceedings.
Last week a further ruling was issued in this case on a summary judgment motion. Plaintiff Bendix requested summary judgment of NO inequitable conduct based on a multitude of defendant accusations relating to the plaintiff’s conduct during the patent reissue proceeding. Despite the plaintiff’s disclosure of litigation materials, expert reports etc, as well as the defendant filing their own carefully worded protest in the patent reissue proceeding, the defendant pointed to a single sentence of a deposition as being withheld from the USPTO….I couldn’t make this up. Read the rest of this entry »
Can Inconsistent Statements Made Outside of the USPTO Surrender Claim Scope for Recapture Purposes?
The recapture doctrine of patent reissue is often a subject of debate before the BPAI. As we discussed last week, the question of the propriety of an intermediate claims scope vis-a-vis recapture was recently decided by the BPAI, and briefing before the CAFC is near complete on the same issue (In re Mostafazadeh). A day after the BPAI decision of last week, the Federal District Court of Ohio considered recapture in the context of statements made outside of the USPTO in Bendix Commercial Vehicle Systems LLC, et al v. Haldex Brake Products Corp., 1-09-cv-00176 (N.D.O.H)
As a reminder, the recapture doctrine exists because a deliberate surrender of subject matter is not an “error” that is correctable by patent reissue. The recapture doctrine prevents Patent Holders from broadening claim scope in patent reissue that was deliberately surrendered during original prosecution. In Bendix, the defendant (Haldex) argued that the asserted broadened reissue patent, RE 38,874, (relating to automotive braking equipment) was invalid under 35 USC § 251 due to statements made during an earlier litigation and in a foreign patent office. Read the rest of this entry »